21931700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 61246080

約数和(自身を除く): 39314380

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 25, 28, 34, 35, 38, 50, 68, 70, 76, 85, 95, 97, 100, 119, 133, 140, 170, 175, 190, 194, 238, 266, 323, 340, 350, 380, 388, 425, 475, 476, 485, 532, 595, 646, 665, 679, 700, 850, 950, 970, 1190, 1292, 1330, 1358, 1615, 1649, 1700, 1843, 1900, 1940, 2261, 2380, 2425, 2660, 2716, 2975, 3230, 3298, 3325, 3395, 3686, 4522, 4850, 5950, 6460, 6596, 6650, 6790, 7372, 8075, 8245, 9044, 9215, 9700, 11305, 11543, 11900, 12901, 13300, 13580, 16150, 16490, 16975, 18430, 22610, 23086, 25802, 31331, 32300, 32980, 33950, 36860, 41225, 45220, 46075, 46172, 51604, 56525, 57715, 62662, 64505, 67900, 82450, 92150, 113050, 115430, 125324, 129010, 156655, 164900, 184300, 219317, 226100, 230860, 258020, 288575, 313310, 322525, 438634, 577150, 626620, 645050, 783275, 877268, 1096585, 1154300, 1290100, 1566550, 2193170, 3133100, 4386340, 5482925, 10965850, 21931700]

約数ペア:

[(1, 21931700), (2, 10965850), (4, 5482925), (5, 4386340), (7, 3133100), (10, 2193170), (14, 1566550), (17, 1290100), (19, 1154300), (20, 1096585), (25, 877268), (28, 783275), (34, 645050), (35, 626620), (38, 577150), (50, 438634), (68, 322525), (70, 313310), (76, 288575), (85, 258020), (95, 230860), (97, 226100), (100, 219317), (119, 184300), (133, 164900), (140, 156655), (170, 129010), (175, 125324), (190, 115430), (194, 113050), (238, 92150), (266, 82450), (323, 67900), (340, 64505), (350, 62662), (380, 57715), (388, 56525), (425, 51604), (475, 46172), (476, 46075), (485, 45220), (532, 41225), (595, 36860), (646, 33950), (665, 32980), (679, 32300), (700, 31331), (850, 25802), (950, 23086), (970, 22610), (1190, 18430), (1292, 16975), (1330, 16490), (1358, 16150), (1615, 13580), (1649, 13300), (1700, 12901), (1843, 11900), (1900, 11543), (1940, 11305), (2261, 9700), (2380, 9215), (2425, 9044), (2660, 8245), (2716, 8075), (2975, 7372), (3230, 6790), (3298, 6650), (3325, 6596), (3395, 6460), (3686, 5950), (4522, 4850)]