21719152

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2166

約数の個数: 60

約数和(自身を含む): 52741416

約数和(自身を除く): 31022264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2131, 2548, 4262, 5096, 8524, 10192, 14917, 17048, 27703, 29834, 34096, 55406, 59668, 104419, 110812, 119336, 193921, 208838, 221624, 238672, 387842, 417676, 443248, 775684, 835352, 1357447, 1551368, 1670704, 2714894, 3102736, 5429788, 10859576, 21719152]

約数ペア:

[(1, 21719152), (2, 10859576), (4, 5429788), (7, 3102736), (8, 2714894), (13, 1670704), (14, 1551368), (16, 1357447), (26, 835352), (28, 775684), (49, 443248), (52, 417676), (56, 387842), (91, 238672), (98, 221624), (104, 208838), (112, 193921), (182, 119336), (196, 110812), (208, 104419), (364, 59668), (392, 55406), (637, 34096), (728, 29834), (784, 27703), (1274, 17048), (1456, 14917), (2131, 10192), (2548, 8524), (4262, 5096)]