21599124

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 32355756

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 228, 244, 366, 732, 1159, 1553, 2318, 3106, 3477, 4636, 4659, 6212, 6954, 9318, 13908, 18636, 29507, 59014, 88521, 94733, 118028, 177042, 189466, 284199, 354084, 378932, 568398, 1136796, 1799927, 3599854, 5399781, 7199708, 10799562, 21599124]

約数ペア:

[(1, 21599124), (2, 10799562), (3, 7199708), (4, 5399781), (6, 3599854), (12, 1799927), (19, 1136796), (38, 568398), (57, 378932), (61, 354084), (76, 284199), (114, 189466), (122, 177042), (183, 118028), (228, 94733), (244, 88521), (366, 59014), (732, 29507), (1159, 18636), (1553, 13908), (2318, 9318), (3106, 6954), (3477, 6212), (4636, 4659)]