21935840

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2979

約数の個数: 48

約数和(自身を含む): 52944192

約数和(自身を除く): 31008352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2917, 3760, 5834, 7520, 11668, 14585, 23336, 29170, 46672, 58340, 93344, 116680, 137099, 233360, 274198, 466720, 548396, 685495, 1096792, 1370990, 2193584, 2741980, 4387168, 5483960, 10967920, 21935840]

約数ペア:

[(1, 21935840), (2, 10967920), (4, 5483960), (5, 4387168), (8, 2741980), (10, 2193584), (16, 1370990), (20, 1096792), (32, 685495), (40, 548396), (47, 466720), (80, 274198), (94, 233360), (160, 137099), (188, 116680), (235, 93344), (376, 58340), (470, 46672), (752, 29170), (940, 23336), (1504, 14585), (1880, 11668), (2917, 7520), (3760, 5834)]