21820554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 36675702

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 61, 63, 102, 119, 122, 126, 153, 167, 183, 238, 306, 334, 357, 366, 427, 501, 549, 714, 854, 1002, 1037, 1071, 1098, 1169, 1281, 1503, 2074, 2142, 2338, 2562, 2839, 3006, 3111, 3507, 3843, 5678, 6222, 7014, 7259, 7686, 8517, 9333, 10187, 10521, 14518, 17034, 18666, 19873, 20374, 21042, 21777, 25551, 30561, 39746, 43554, 51102, 59619, 61122, 65331, 71309, 91683, 119238, 130662, 142618, 173179, 178857, 183366, 213927, 346358, 357714, 427854, 519537, 641781, 1039074, 1212253, 1283562, 1558611, 2424506, 3117222, 3636759, 7273518, 10910277, 21820554]

約数ペア:

[(1, 21820554), (2, 10910277), (3, 7273518), (6, 3636759), (7, 3117222), (9, 2424506), (14, 1558611), (17, 1283562), (18, 1212253), (21, 1039074), (34, 641781), (42, 519537), (51, 427854), (61, 357714), (63, 346358), (102, 213927), (119, 183366), (122, 178857), (126, 173179), (153, 142618), (167, 130662), (183, 119238), (238, 91683), (306, 71309), (334, 65331), (357, 61122), (366, 59619), (427, 51102), (501, 43554), (549, 39746), (714, 30561), (854, 25551), (1002, 21777), (1037, 21042), (1071, 20374), (1098, 19873), (1169, 18666), (1281, 17034), (1503, 14518), (2074, 10521), (2142, 10187), (2338, 9333), (2562, 8517), (2839, 7686), (3006, 7259), (3111, 7014), (3507, 6222), (3843, 5678)]