21171929178

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{10259}}^1$

素因数の和:10747

約数の個数: 64

約数和(自身を含む): 45721843200

約数和(自身を除く): 24549914022

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 421, 817, 842, 1263, 1634, 2451, 2526, 4902, 7999, 10259, 15998, 18103, 20518, 23997, 30777, 36206, 47994, 54309, 61554, 108618, 194921, 343957, 389842, 441137, 584763, 687914, 882274, 1031871, 1169526, 1323411, 2063742, 2646822, 4319039, 8381603, 8638078, 12957117, 16763206, 25144809, 25914234, 50289618, 82061741, 164123482, 185718677, 246185223, 371437354, 492370446, 557156031, 1114312062, 3528654863, 7057309726, 10585964589, 21171929178]

約数ペア:

[(1, 21171929178), (2, 10585964589), (3, 7057309726), (6, 3528654863), (19, 1114312062), (38, 557156031), (43, 492370446), (57, 371437354), (86, 246185223), (114, 185718677), (129, 164123482), (258, 82061741), (421, 50289618), (817, 25914234), (842, 25144809), (1263, 16763206), (1634, 12957117), (2451, 8638078), (2526, 8381603), (4902, 4319039), (7999, 2646822), (10259, 2063742), (15998, 1323411), (18103, 1169526), (20518, 1031871), (23997, 882274), (30777, 687914), (36206, 584763), (47994, 441137), (54309, 389842), (61554, 343957), (108618, 194921)]