21418650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4327}}^1$

素因数の和:4356

約数の個数: 72

約数和(自身を含む): 62790624

約数和(自身を除く): 41371974

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 4327, 4950, 8654, 12981, 21635, 25962, 38943, 43270, 47597, 64905, 77886, 95194, 108175, 129810, 142791, 194715, 216350, 237985, 285582, 324525, 389430, 428373, 475970, 649050, 713955, 856746, 973575, 1189925, 1427910, 1947150, 2141865, 2379850, 3569775, 4283730, 7139550, 10709325, 21418650]

約数ペア:

[(1, 21418650), (2, 10709325), (3, 7139550), (5, 4283730), (6, 3569775), (9, 2379850), (10, 2141865), (11, 1947150), (15, 1427910), (18, 1189925), (22, 973575), (25, 856746), (30, 713955), (33, 649050), (45, 475970), (50, 428373), (55, 389430), (66, 324525), (75, 285582), (90, 237985), (99, 216350), (110, 194715), (150, 142791), (165, 129810), (198, 108175), (225, 95194), (275, 77886), (330, 64905), (450, 47597), (495, 43270), (550, 38943), (825, 25962), (990, 21635), (1650, 12981), (2475, 8654), (4327, 4950)]