21023772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 62329344

約数和(自身を除く): 41305572

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 122, 132, 154, 183, 231, 244, 308, 366, 373, 427, 462, 671, 732, 746, 854, 924, 1119, 1281, 1342, 1492, 1708, 2013, 2238, 2562, 2611, 2684, 4026, 4103, 4476, 4697, 5124, 5222, 7833, 8052, 8206, 9394, 10444, 12309, 14091, 15666, 16412, 18788, 22753, 24618, 28182, 28721, 31332, 45506, 49236, 56364, 57442, 68259, 86163, 91012, 114884, 136518, 159271, 172326, 250283, 273036, 318542, 344652, 477813, 500566, 637084, 750849, 955626, 1001132, 1501698, 1751981, 1911252, 3003396, 3503962, 5255943, 7007924, 10511886, 21023772]

約数ペア:

[(1, 21023772), (2, 10511886), (3, 7007924), (4, 5255943), (6, 3503962), (7, 3003396), (11, 1911252), (12, 1751981), (14, 1501698), (21, 1001132), (22, 955626), (28, 750849), (33, 637084), (42, 500566), (44, 477813), (61, 344652), (66, 318542), (77, 273036), (84, 250283), (122, 172326), (132, 159271), (154, 136518), (183, 114884), (231, 91012), (244, 86163), (308, 68259), (366, 57442), (373, 56364), (427, 49236), (462, 45506), (671, 31332), (732, 28721), (746, 28182), (854, 24618), (924, 22753), (1119, 18788), (1281, 16412), (1342, 15666), (1492, 14091), (1708, 12309), (2013, 10444), (2238, 9394), (2562, 8206), (2611, 8052), (2684, 7833), (4026, 5222), (4103, 5124), (4476, 4697)]