21337330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 47485440

約数和(自身を除く): 26148110

約数列:

[1, 2, 5, 7, 10, 14, 23, 29, 35, 46, 58, 70, 115, 145, 161, 203, 230, 290, 322, 406, 457, 667, 805, 914, 1015, 1334, 1610, 2030, 2285, 3199, 3335, 4570, 4669, 6398, 6670, 9338, 10511, 13253, 15995, 21022, 23345, 26506, 31990, 46690, 52555, 66265, 73577, 92771, 105110, 132530, 147154, 185542, 304819, 367885, 463855, 609638, 735770, 927710, 1524095, 2133733, 3048190, 4267466, 10668665, 21337330]

約数ペア:

[(1, 21337330), (2, 10668665), (5, 4267466), (7, 3048190), (10, 2133733), (14, 1524095), (23, 927710), (29, 735770), (35, 609638), (46, 463855), (58, 367885), (70, 304819), (115, 185542), (145, 147154), (161, 132530), (203, 105110), (230, 92771), (290, 73577), (322, 66265), (406, 52555), (457, 46690), (667, 31990), (805, 26506), (914, 23345), (1015, 21022), (1334, 15995), (1610, 13253), (2030, 10511), (2285, 9338), (3199, 6670), (3335, 6398), (4570, 4669)]