21647340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 216

約数和(自身を含む): 79895088

約数和(自身を除く): 58247748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 29, 30, 33, 36, 39, 44, 45, 52, 55, 58, 60, 65, 66, 78, 87, 90, 99, 110, 116, 117, 130, 132, 143, 145, 156, 165, 174, 180, 195, 198, 220, 234, 260, 261, 286, 290, 319, 330, 348, 377, 390, 396, 429, 435, 468, 495, 522, 572, 580, 585, 638, 660, 715, 754, 780, 841, 858, 870, 957, 990, 1044, 1131, 1170, 1276, 1287, 1305, 1430, 1508, 1595, 1682, 1716, 1740, 1885, 1914, 1980, 2145, 2262, 2340, 2523, 2574, 2610, 2860, 2871, 3190, 3364, 3393, 3770, 3828, 4147, 4205, 4290, 4524, 4785, 5046, 5148, 5220, 5655, 5742, 6380, 6435, 6786, 7540, 7569, 8294, 8410, 8580, 9251, 9570, 10092, 10933, 11310, 11484, 12441, 12615, 12870, 13572, 14355, 15138, 16588, 16820, 16965, 18502, 19140, 20735, 21866, 22620, 24882, 25230, 25740, 27753, 28710, 30276, 32799, 33930, 37004, 37323, 37845, 41470, 43732, 46255, 49764, 50460, 54665, 55506, 57420, 62205, 65598, 67860, 74646, 75690, 82940, 83259, 92510, 98397, 109330, 111012, 120263, 124410, 131196, 138765, 149292, 151380, 163995, 166518, 185020, 186615, 196794, 218660, 240526, 248820, 277530, 327990, 333036, 360789, 373230, 393588, 416295, 481052, 491985, 555060, 601315, 655980, 721578, 746460, 832590, 983970, 1082367, 1202630, 1443156, 1665180, 1803945, 1967940, 2164734, 2405260, 3607890, 4329468, 5411835, 7215780, 10823670, 21647340]

約数ペア:

[(1, 21647340), (2, 10823670), (3, 7215780), (4, 5411835), (5, 4329468), (6, 3607890), (9, 2405260), (10, 2164734), (11, 1967940), (12, 1803945), (13, 1665180), (15, 1443156), (18, 1202630), (20, 1082367), (22, 983970), (26, 832590), (29, 746460), (30, 721578), (33, 655980), (36, 601315), (39, 555060), (44, 491985), (45, 481052), (52, 416295), (55, 393588), (58, 373230), (60, 360789), (65, 333036), (66, 327990), (78, 277530), (87, 248820), (90, 240526), (99, 218660), (110, 196794), (116, 186615), (117, 185020), (130, 166518), (132, 163995), (143, 151380), (145, 149292), (156, 138765), (165, 131196), (174, 124410), (180, 120263), (195, 111012), (198, 109330), (220, 98397), (234, 92510), (260, 83259), (261, 82940), (286, 75690), (290, 74646), (319, 67860), (330, 65598), (348, 62205), (377, 57420), (390, 55506), (396, 54665), (429, 50460), (435, 49764), (468, 46255), (495, 43732), (522, 41470), (572, 37845), (580, 37323), (585, 37004), (638, 33930), (660, 32799), (715, 30276), (754, 28710), (780, 27753), (841, 25740), (858, 25230), (870, 24882), (957, 22620), (990, 21866), (1044, 20735), (1131, 19140), (1170, 18502), (1276, 16965), (1287, 16820), (1305, 16588), (1430, 15138), (1508, 14355), (1595, 13572), (1682, 12870), (1716, 12615), (1740, 12441), (1885, 11484), (1914, 11310), (1980, 10933), (2145, 10092), (2262, 9570), (2340, 9251), (2523, 8580), (2574, 8410), (2610, 8294), (2860, 7569), (2871, 7540), (3190, 6786), (3364, 6435), (3393, 6380), (3770, 5742), (3828, 5655), (4147, 5220), (4205, 5148), (4290, 5046), (4524, 4785)]