21689790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34297410

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 599, 710, 1065, 1198, 1207, 1797, 2130, 2414, 2995, 3594, 3621, 5990, 6035, 7242, 8985, 10183, 12070, 17970, 18105, 20366, 30549, 36210, 42529, 50915, 61098, 85058, 101830, 127587, 152745, 212645, 255174, 305490, 425290, 637935, 722993, 1275870, 1445986, 2168979, 3614965, 4337958, 7229930, 10844895, 21689790]

約数ペア:

[(1, 21689790), (2, 10844895), (3, 7229930), (5, 4337958), (6, 3614965), (10, 2168979), (15, 1445986), (17, 1275870), (30, 722993), (34, 637935), (51, 425290), (71, 305490), (85, 255174), (102, 212645), (142, 152745), (170, 127587), (213, 101830), (255, 85058), (355, 61098), (426, 50915), (510, 42529), (599, 36210), (710, 30549), (1065, 20366), (1198, 18105), (1207, 17970), (1797, 12070), (2130, 10183), (2414, 8985), (2995, 7242), (3594, 6035), (3621, 5990)]