21313908

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 48399372

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 121, 126, 132, 154, 189, 198, 231, 233, 242, 252, 297, 308, 363, 378, 396, 462, 466, 484, 594, 693, 699, 726, 756, 847, 924, 932, 1089, 1188, 1386, 1398, 1452, 1631, 1694, 2079, 2097, 2178, 2541, 2563, 2772, 2796, 3262, 3267, 3388, 4158, 4194, 4356, 4893, 5082, 5126, 6291, 6524, 6534, 7623, 7689, 8316, 8388, 9786, 10164, 10252, 12582, 13068, 14679, 15246, 15378, 17941, 19572, 22869, 23067, 25164, 28193, 29358, 30492, 30756, 35882, 44037, 45738, 46134, 53823, 56386, 58716, 69201, 71764, 84579, 88074, 91476, 92268, 107646, 112772, 138402, 161469, 169158, 176148, 197351, 215292, 253737, 276804, 322938, 338316, 394702, 484407, 507474, 592053, 645876, 761211, 789404, 968814, 1014948, 1184106, 1522422, 1776159, 1937628, 2368212, 3044844, 3552318, 5328477, 7104636, 10656954, 21313908]

約数ペア:

[(1, 21313908), (2, 10656954), (3, 7104636), (4, 5328477), (6, 3552318), (7, 3044844), (9, 2368212), (11, 1937628), (12, 1776159), (14, 1522422), (18, 1184106), (21, 1014948), (22, 968814), (27, 789404), (28, 761211), (33, 645876), (36, 592053), (42, 507474), (44, 484407), (54, 394702), (63, 338316), (66, 322938), (77, 276804), (84, 253737), (99, 215292), (108, 197351), (121, 176148), (126, 169158), (132, 161469), (154, 138402), (189, 112772), (198, 107646), (231, 92268), (233, 91476), (242, 88074), (252, 84579), (297, 71764), (308, 69201), (363, 58716), (378, 56386), (396, 53823), (462, 46134), (466, 45738), (484, 44037), (594, 35882), (693, 30756), (699, 30492), (726, 29358), (756, 28193), (847, 25164), (924, 23067), (932, 22869), (1089, 19572), (1188, 17941), (1386, 15378), (1398, 15246), (1452, 14679), (1631, 13068), (1694, 12582), (2079, 10252), (2097, 10164), (2178, 9786), (2541, 8388), (2563, 8316), (2772, 7689), (2796, 7623), (3262, 6534), (3267, 6524), (3388, 6291), (4158, 5126), (4194, 5082), (4356, 4893)]