21638292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4783}}^1$

素因数の和:4832

約数の個数: 48

約数和(自身を含む): 56259840

約数和(自身を除く): 34621548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4783, 9566, 14349, 19132, 28698, 57396, 62179, 124358, 138707, 186537, 248716, 277414, 373074, 416121, 554828, 746148, 832242, 1664484, 1803191, 3606382, 5409573, 7212764, 10819146, 21638292]

約数ペア:

[(1, 21638292), (2, 10819146), (3, 7212764), (4, 5409573), (6, 3606382), (12, 1803191), (13, 1664484), (26, 832242), (29, 746148), (39, 554828), (52, 416121), (58, 373074), (78, 277414), (87, 248716), (116, 186537), (156, 138707), (174, 124358), (348, 62179), (377, 57396), (754, 28698), (1131, 19132), (1508, 14349), (2262, 9566), (4524, 4783)]