21409596

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 180

約数和(自身を含む): 66960432

約数和(自身を除く): 45550836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 27, 34, 36, 39, 46, 51, 52, 54, 68, 69, 78, 81, 92, 102, 108, 117, 138, 153, 156, 162, 169, 204, 207, 221, 234, 276, 299, 306, 324, 338, 351, 391, 414, 442, 459, 468, 507, 598, 612, 621, 663, 676, 702, 782, 828, 884, 897, 918, 1014, 1053, 1173, 1196, 1242, 1326, 1377, 1404, 1521, 1564, 1794, 1836, 1863, 1989, 2028, 2106, 2346, 2484, 2652, 2691, 2754, 2873, 3042, 3519, 3588, 3726, 3887, 3978, 4212, 4563, 4692, 5083, 5382, 5508, 5746, 5967, 6084, 7038, 7452, 7774, 7956, 8073, 8619, 9126, 10166, 10557, 10764, 11492, 11661, 11934, 13689, 14076, 15249, 15548, 16146, 17238, 17901, 18252, 20332, 21114, 23322, 23868, 24219, 25857, 27378, 30498, 31671, 32292, 34476, 34983, 35802, 42228, 45747, 46644, 48438, 51714, 54756, 60996, 63342, 66079, 69966, 71604, 77571, 91494, 96876, 103428, 104949, 126684, 132158, 137241, 139932, 155142, 182988, 198237, 209898, 232713, 264316, 274482, 310284, 314847, 396474, 411723, 419796, 465426, 548964, 594711, 629694, 792948, 823446, 930852, 1189422, 1259388, 1646892, 1784133, 2378844, 3568266, 5352399, 7136532, 10704798, 21409596]

約数ペア:

[(1, 21409596), (2, 10704798), (3, 7136532), (4, 5352399), (6, 3568266), (9, 2378844), (12, 1784133), (13, 1646892), (17, 1259388), (18, 1189422), (23, 930852), (26, 823446), (27, 792948), (34, 629694), (36, 594711), (39, 548964), (46, 465426), (51, 419796), (52, 411723), (54, 396474), (68, 314847), (69, 310284), (78, 274482), (81, 264316), (92, 232713), (102, 209898), (108, 198237), (117, 182988), (138, 155142), (153, 139932), (156, 137241), (162, 132158), (169, 126684), (204, 104949), (207, 103428), (221, 96876), (234, 91494), (276, 77571), (299, 71604), (306, 69966), (324, 66079), (338, 63342), (351, 60996), (391, 54756), (414, 51714), (442, 48438), (459, 46644), (468, 45747), (507, 42228), (598, 35802), (612, 34983), (621, 34476), (663, 32292), (676, 31671), (702, 30498), (782, 27378), (828, 25857), (884, 24219), (897, 23868), (918, 23322), (1014, 21114), (1053, 20332), (1173, 18252), (1196, 17901), (1242, 17238), (1326, 16146), (1377, 15548), (1404, 15249), (1521, 14076), (1564, 13689), (1794, 11934), (1836, 11661), (1863, 11492), (1989, 10764), (2028, 10557), (2106, 10166), (2346, 9126), (2484, 8619), (2652, 8073), (2691, 7956), (2754, 7774), (2873, 7452), (3042, 7038), (3519, 6084), (3588, 5967), (3726, 5746), (3887, 5508), (3978, 5382), (4212, 5083), (4563, 4692)]