21752490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8147}}^1$

素因数の和:8246

約数の個数: 32

約数和(自身を含む): 52799040

約数和(自身を除く): 31046550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 8147, 16294, 24441, 40735, 48882, 81470, 122205, 244410, 725083, 1450166, 2175249, 3625415, 4350498, 7250830, 10876245, 21752490]

約数ペア:

[(1, 21752490), (2, 10876245), (3, 7250830), (5, 4350498), (6, 3625415), (10, 2175249), (15, 1450166), (30, 725083), (89, 244410), (178, 122205), (267, 81470), (445, 48882), (534, 40735), (890, 24441), (1335, 16294), (2670, 8147)]