21630870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7753}}^1$

素因数の和:7797

約数の個数: 48

約数和(自身を含む): 58061952

約数和(自身を除く): 36431082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7753, 15506, 23259, 38765, 46518, 69777, 77530, 116295, 139554, 232590, 240343, 348885, 480686, 697770, 721029, 1201715, 1442058, 2163087, 2403430, 3605145, 4326174, 7210290, 10815435, 21630870]

約数ペア:

[(1, 21630870), (2, 10815435), (3, 7210290), (5, 4326174), (6, 3605145), (9, 2403430), (10, 2163087), (15, 1442058), (18, 1201715), (30, 721029), (31, 697770), (45, 480686), (62, 348885), (90, 240343), (93, 232590), (155, 139554), (186, 116295), (279, 77530), (310, 69777), (465, 46518), (558, 38765), (930, 23259), (1395, 15506), (2790, 7753)]