21543210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18413}}^1$

素因数の和:18439

約数の個数: 48

約数和(自身を含む): 60324264

約数和(自身を除く): 38781054

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, 18413, 36826, 55239, 92065, 110478, 165717, 184130, 239369, 276195, 331434, 478738, 552390, 718107, 828585, 1196845, 1436214, 1657170, 2154321, 2393690, 3590535, 4308642, 7181070, 10771605, 21543210]

約数ペア:

[(1, 21543210), (2, 10771605), (3, 7181070), (5, 4308642), (6, 3590535), (9, 2393690), (10, 2154321), (13, 1657170), (15, 1436214), (18, 1196845), (26, 828585), (30, 718107), (39, 552390), (45, 478738), (65, 331434), (78, 276195), (90, 239369), (117, 184130), (130, 165717), (195, 110478), (234, 92065), (390, 55239), (585, 36826), (1170, 18413)]