21374550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38621610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 71, 75, 90, 135, 142, 150, 213, 223, 225, 270, 355, 426, 446, 450, 639, 669, 675, 710, 1065, 1115, 1278, 1338, 1350, 1775, 1917, 2007, 2130, 2230, 3195, 3345, 3550, 3834, 4014, 5325, 5575, 6021, 6390, 6690, 9585, 10035, 10650, 11150, 12042, 15833, 15975, 16725, 19170, 20070, 30105, 31666, 31950, 33450, 47499, 47925, 50175, 60210, 79165, 94998, 95850, 100350, 142497, 150525, 158330, 237495, 284994, 301050, 395825, 427491, 474990, 712485, 791650, 854982, 1187475, 1424970, 2137455, 2374950, 3562425, 4274910, 7124850, 10687275, 21374550]

約数ペア:

[(1, 21374550), (2, 10687275), (3, 7124850), (5, 4274910), (6, 3562425), (9, 2374950), (10, 2137455), (15, 1424970), (18, 1187475), (25, 854982), (27, 791650), (30, 712485), (45, 474990), (50, 427491), (54, 395825), (71, 301050), (75, 284994), (90, 237495), (135, 158330), (142, 150525), (150, 142497), (213, 100350), (223, 95850), (225, 94998), (270, 79165), (355, 60210), (426, 50175), (446, 47925), (450, 47499), (639, 33450), (669, 31950), (675, 31666), (710, 30105), (1065, 20070), (1115, 19170), (1278, 16725), (1338, 15975), (1350, 15833), (1775, 12042), (1917, 11150), (2007, 10650), (2130, 10035), (2230, 9585), (3195, 6690), (3345, 6390), (3550, 6021), (3834, 5575), (4014, 5325)]