21990147214

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{4787}}^1$

素因数の和:5041

約数の個数: 64

約数和(自身を含む): 39614303232

約数和(自身を除く): 17624156018

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 151, 287, 302, 371, 574, 742, 1057, 2114, 2173, 4346, 4787, 6191, 8003, 9574, 12382, 15211, 16006, 30422, 33509, 43337, 56021, 67018, 86674, 112042, 196267, 253711, 328123, 392534, 507422, 656246, 722837, 1373869, 1445674, 1775977, 2296861, 2747738, 3551954, 4593722, 5059859, 10119718, 10402151, 20804302, 29636317, 38310361, 59272634, 72815057, 76620722, 145630114, 207454219, 268172527, 414908438, 536345054, 1570724801, 3141449602, 10995073607, 21990147214]

約数ペア:

[(1, 21990147214), (2, 10995073607), (7, 3141449602), (14, 1570724801), (41, 536345054), (53, 414908438), (82, 268172527), (106, 207454219), (151, 145630114), (287, 76620722), (302, 72815057), (371, 59272634), (574, 38310361), (742, 29636317), (1057, 20804302), (2114, 10402151), (2173, 10119718), (4346, 5059859), (4787, 4593722), (6191, 3551954), (8003, 2747738), (9574, 2296861), (12382, 1775977), (15211, 1445674), (16006, 1373869), (30422, 722837), (33509, 656246), (43337, 507422), (56021, 392534), (67018, 328123), (86674, 253711), (112042, 196267)]