21000852496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2728801}}^1$

素因数の和:2728859

約数の個数: 40

約数和(自身を含む): 45003402584

約数和(自身を除く): 24002550088

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 2728801, 5457602, 10915204, 21830408, 35474413, 43660816, 70948826, 100965637, 141897652, 201931274, 283795304, 403862548, 567590608, 807725096, 1312553281, 1615450192, 2625106562, 5250213124, 10500426248, 21000852496]

約数ペア:

[(1, 21000852496), (2, 10500426248), (4, 5250213124), (8, 2625106562), (13, 1615450192), (16, 1312553281), (26, 807725096), (37, 567590608), (52, 403862548), (74, 283795304), (104, 201931274), (148, 141897652), (208, 100965637), (296, 70948826), (481, 43660816), (592, 35474413), (962, 21830408), (1924, 10915204), (3848, 5457602), (7696, 2728801)]