21403600

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:824

約数の個数: 60

約数和(自身を含む): 52197676

約数和(自身を除く): 30794076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 730, 733, 1168, 1460, 1466, 1825, 2920, 2932, 3650, 3665, 5840, 5864, 7300, 7330, 11728, 14600, 14660, 18325, 29200, 29320, 36650, 53509, 58640, 73300, 107018, 146600, 214036, 267545, 293200, 428072, 535090, 856144, 1070180, 1337725, 2140360, 2675450, 4280720, 5350900, 10701800, 21403600]

約数ペア:

[(1, 21403600), (2, 10701800), (4, 5350900), (5, 4280720), (8, 2675450), (10, 2140360), (16, 1337725), (20, 1070180), (25, 856144), (40, 535090), (50, 428072), (73, 293200), (80, 267545), (100, 214036), (146, 146600), (200, 107018), (292, 73300), (365, 58640), (400, 53509), (584, 36650), (730, 29320), (733, 29200), (1168, 18325), (1460, 14660), (1466, 14600), (1825, 11728), (2920, 7330), (2932, 7300), (3650, 5864), (3665, 5840)]