21815360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9739}}^1$

素因数の和:9763

約数の個数: 56

約数和(自身を含む): 59375040

約数和(自身を除く): 37559680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9739, 19478, 38956, 48695, 68173, 77912, 97390, 136346, 155824, 194780, 272692, 311648, 340865, 389560, 545384, 623296, 681730, 779120, 1090768, 1363460, 1558240, 2181536, 2726920, 3116480, 4363072, 5453840, 10907680, 21815360]

約数ペア:

[(1, 21815360), (2, 10907680), (4, 5453840), (5, 4363072), (7, 3116480), (8, 2726920), (10, 2181536), (14, 1558240), (16, 1363460), (20, 1090768), (28, 779120), (32, 681730), (35, 623296), (40, 545384), (56, 389560), (64, 340865), (70, 311648), (80, 272692), (112, 194780), (140, 155824), (160, 136346), (224, 97390), (280, 77912), (320, 68173), (448, 48695), (560, 38956), (1120, 19478), (2240, 9739)]