21103670925

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{25261}}^1$

素因数の和:25403

約数の個数: 72

約数和(自身を含む): 39093450240

約数和(自身を除く): 17989779315

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 79, 141, 225, 235, 237, 395, 423, 705, 711, 1175, 1185, 1975, 2115, 3525, 3555, 3713, 5925, 10575, 11139, 17775, 18565, 25261, 33417, 55695, 75783, 92825, 126305, 167085, 227349, 278475, 378915, 631525, 835425, 1136745, 1187267, 1894575, 1995619, 3561801, 5683725, 5936335, 5986857, 9978095, 10685403, 17809005, 17960571, 29681675, 29934285, 49890475, 53427015, 89045025, 89802855, 93794093, 149671425, 267135075, 281382279, 449014275, 468970465, 844146837, 1406911395, 2344852325, 4220734185, 7034556975, 21103670925]

約数ペア:

[(1, 21103670925), (3, 7034556975), (5, 4220734185), (9, 2344852325), (15, 1406911395), (25, 844146837), (45, 468970465), (47, 449014275), (75, 281382279), (79, 267135075), (141, 149671425), (225, 93794093), (235, 89802855), (237, 89045025), (395, 53427015), (423, 49890475), (705, 29934285), (711, 29681675), (1175, 17960571), (1185, 17809005), (1975, 10685403), (2115, 9978095), (3525, 5986857), (3555, 5936335), (3713, 5683725), (5925, 3561801), (10575, 1995619), (11139, 1894575), (17775, 1187267), (18565, 1136745), (25261, 835425), (33417, 631525), (55695, 378915), (75783, 278475), (92825, 227349), (126305, 167085)]