21155084790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3249629}}^1$

素因数の和:3249677

約数の個数: 64

約数和(自身を含む): 59897180160

約数和(自身を除く): 38742095370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 3249629, 6499258, 9748887, 16248145, 19497774, 22747403, 32496290, 45494806, 48744435, 68242209, 97488870, 100738499, 113737015, 136484418, 201476998, 227474030, 302215497, 341211045, 503692495, 604430994, 682422090, 705169493, 1007384990, 1410338986, 1511077485, 2115508479, 3022154970, 3525847465, 4231016958, 7051694930, 10577542395, 21155084790]

約数ペア:

[(1, 21155084790), (2, 10577542395), (3, 7051694930), (5, 4231016958), (6, 3525847465), (7, 3022154970), (10, 2115508479), (14, 1511077485), (15, 1410338986), (21, 1007384990), (30, 705169493), (31, 682422090), (35, 604430994), (42, 503692495), (62, 341211045), (70, 302215497), (93, 227474030), (105, 201476998), (155, 136484418), (186, 113737015), (210, 100738499), (217, 97488870), (310, 68242209), (434, 48744435), (465, 45494806), (651, 32496290), (930, 22747403), (1085, 19497774), (1302, 16248145), (2170, 9748887), (3255, 6499258), (6510, 3249629)]