21306870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18211}}^1$

素因数の和:18237

約数の個数: 48

約数和(自身を含む): 59662512

約数和(自身を除く): 38355642

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18211, 36422, 54633, 91055, 109266, 163899, 182110, 236743, 273165, 327798, 473486, 546330, 710229, 819495, 1183715, 1420458, 1638990, 2130687, 2367430, 3551145, 4261374, 7102290, 10653435, 21306870]

約数ペア:

[(1, 21306870), (2, 10653435), (3, 7102290), (5, 4261374), (6, 3551145), (9, 2367430), (10, 2130687), (13, 1638990), (15, 1420458), (18, 1183715), (26, 819495), (30, 710229), (39, 546330), (45, 473486), (65, 327798), (78, 273165), (90, 236743), (117, 182110), (130, 163899), (195, 109266), (234, 91055), (390, 54633), (585, 36422), (1170, 18211)]