21637132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 44190720

約数和(自身を除く): 22553588

約数列:

[1, 2, 4, 11, 22, 29, 31, 44, 58, 62, 116, 124, 319, 341, 547, 638, 682, 899, 1094, 1276, 1364, 1798, 2188, 3596, 6017, 9889, 12034, 15863, 16957, 19778, 24068, 31726, 33914, 39556, 63452, 67828, 174493, 186527, 348986, 373054, 491753, 697972, 746108, 983506, 1967012, 5409283, 10818566, 21637132]

約数ペア:

[(1, 21637132), (2, 10818566), (4, 5409283), (11, 1967012), (22, 983506), (29, 746108), (31, 697972), (44, 491753), (58, 373054), (62, 348986), (116, 186527), (124, 174493), (319, 67828), (341, 63452), (547, 39556), (638, 33914), (682, 31726), (899, 24068), (1094, 19778), (1276, 16957), (1364, 15863), (1798, 12034), (2188, 9889), (3596, 6017)]