21094450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 47246976

約数和(自身を除く): 26152526

約数列:

[1, 2, 5, 10, 13, 17, 23, 25, 26, 34, 46, 50, 65, 83, 85, 115, 130, 166, 170, 221, 230, 299, 325, 391, 415, 425, 442, 575, 598, 650, 782, 830, 850, 1079, 1105, 1150, 1411, 1495, 1909, 1955, 2075, 2158, 2210, 2822, 2990, 3818, 3910, 4150, 5083, 5395, 5525, 7055, 7475, 9545, 9775, 10166, 10790, 11050, 14110, 14950, 18343, 19090, 19550, 24817, 25415, 26975, 32453, 35275, 36686, 47725, 49634, 50830, 53950, 64906, 70550, 91715, 95450, 124085, 127075, 162265, 183430, 248170, 254150, 324530, 421889, 458575, 620425, 811325, 843778, 917150, 1240850, 1622650, 2109445, 4218890, 10547225, 21094450]

約数ペア:

[(1, 21094450), (2, 10547225), (5, 4218890), (10, 2109445), (13, 1622650), (17, 1240850), (23, 917150), (25, 843778), (26, 811325), (34, 620425), (46, 458575), (50, 421889), (65, 324530), (83, 254150), (85, 248170), (115, 183430), (130, 162265), (166, 127075), (170, 124085), (221, 95450), (230, 91715), (299, 70550), (325, 64906), (391, 53950), (415, 50830), (425, 49634), (442, 47725), (575, 36686), (598, 35275), (650, 32453), (782, 26975), (830, 25415), (850, 24817), (1079, 19550), (1105, 19090), (1150, 18343), (1411, 14950), (1495, 14110), (1909, 11050), (1955, 10790), (2075, 10166), (2158, 9775), (2210, 9545), (2822, 7475), (2990, 7055), (3818, 5525), (3910, 5395), (4150, 5083)]