21763520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:2997

約数の個数: 56

約数和(自身を含む): 54095904

約数和(自身を除く): 32332384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2957, 3680, 5914, 7360, 11828, 14785, 23656, 29570, 47312, 59140, 68011, 94624, 118280, 136022, 189248, 236560, 272044, 340055, 473120, 544088, 680110, 946240, 1088176, 1360220, 2176352, 2720440, 4352704, 5440880, 10881760, 21763520]

約数ペア:

[(1, 21763520), (2, 10881760), (4, 5440880), (5, 4352704), (8, 2720440), (10, 2176352), (16, 1360220), (20, 1088176), (23, 946240), (32, 680110), (40, 544088), (46, 473120), (64, 340055), (80, 272044), (92, 236560), (115, 189248), (160, 136022), (184, 118280), (230, 94624), (320, 68011), (368, 59140), (460, 47312), (736, 29570), (920, 23656), (1472, 14785), (1840, 11828), (2957, 7360), (3680, 5914)]