21896204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 44978976

約数和(自身を除く): 23082772

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 73, 146, 187, 292, 374, 401, 748, 802, 803, 1241, 1604, 1606, 2482, 3212, 4411, 4964, 6817, 8822, 13634, 13651, 17644, 27268, 27302, 29273, 54604, 58546, 74987, 117092, 149974, 299948, 322003, 497641, 644006, 995282, 1288012, 1990564, 5474051, 10948102, 21896204]

約数ペア:

[(1, 21896204), (2, 10948102), (4, 5474051), (11, 1990564), (17, 1288012), (22, 995282), (34, 644006), (44, 497641), (68, 322003), (73, 299948), (146, 149974), (187, 117092), (292, 74987), (374, 58546), (401, 54604), (748, 29273), (802, 27302), (803, 27268), (1241, 17644), (1604, 13651), (1606, 13634), (2482, 8822), (3212, 6817), (4411, 4964)]