21374865792007

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{2441}}^1\times {\mathrm{145577}}^1$

素因数の和:148699

約数の個数: 32

約数和(自身を含む): 26358301436544

約数和(自身を除く): 4983435644537

約数列:

[1, 7, 13, 91, 661, 2441, 4627, 8593, 17087, 31733, 60151, 145577, 222131, 1019039, 1613501, 1892501, 11294507, 13247507, 20975513, 96226397, 146828591, 355353457, 673584779, 1250943161, 2487474199, 4619594941, 8756602127, 32337164587, 234888635077, 1644220445539, 3053552256001, 21374865792007]

約数ペア:

[(1, 21374865792007), (7, 3053552256001), (13, 1644220445539), (91, 234888635077), (661, 32337164587), (2441, 8756602127), (4627, 4619594941), (8593, 2487474199), (17087, 1250943161), (31733, 673584779), (60151, 355353457), (145577, 146828591), (222131, 96226397), (1019039, 20975513), (1613501, 13247507), (1892501, 11294507)]