21575752

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24389048

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 719, 968, 1364, 1438, 2728, 2876, 3751, 5752, 7502, 7909, 15004, 15818, 22289, 30008, 31636, 44578, 63272, 86999, 89156, 173998, 178312, 245179, 347996, 490358, 695992, 980716, 1961432, 2696969, 5393938, 10787876, 21575752]

約数ペア:

[(1, 21575752), (2, 10787876), (4, 5393938), (8, 2696969), (11, 1961432), (22, 980716), (31, 695992), (44, 490358), (62, 347996), (88, 245179), (121, 178312), (124, 173998), (242, 89156), (248, 86999), (341, 63272), (484, 44578), (682, 31636), (719, 30008), (968, 22289), (1364, 15818), (1438, 15004), (2728, 7909), (2876, 7502), (3751, 5752)]