21000643260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1236787}}^1$

素因数の和:1237082

約数の個数: 48

約数和(自身を含む): 59009629056

約数和(自身を除く): 38008985796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 283, 566, 849, 1132, 1415, 1698, 2830, 3396, 4245, 5660, 8490, 16980, 1236787, 2473574, 3710361, 4947148, 6183935, 7420722, 12367870, 14841444, 18551805, 24735740, 37103610, 74207220, 350010721, 700021442, 1050032163, 1400042884, 1750053605, 2100064326, 3500107210, 4200128652, 5250160815, 7000214420, 10500321630, 21000643260]

約数ペア:

[(1, 21000643260), (2, 10500321630), (3, 7000214420), (4, 5250160815), (5, 4200128652), (6, 3500107210), (10, 2100064326), (12, 1750053605), (15, 1400042884), (20, 1050032163), (30, 700021442), (60, 350010721), (283, 74207220), (566, 37103610), (849, 24735740), (1132, 18551805), (1415, 14841444), (1698, 12367870), (2830, 7420722), (3396, 6183935), (4245, 4947148), (5660, 3710361), (8490, 2473574), (16980, 1236787)]