21188430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 55340064

約数和(自身を除く): 34151634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 757, 933, 1514, 1555, 1866, 2271, 2799, 3110, 3785, 4542, 4665, 5598, 6813, 7570, 9330, 11355, 13626, 13995, 22710, 27990, 34065, 68130, 235427, 470854, 706281, 1177135, 1412562, 2118843, 2354270, 3531405, 4237686, 7062810, 10594215, 21188430]

約数ペア:

[(1, 21188430), (2, 10594215), (3, 7062810), (5, 4237686), (6, 3531405), (9, 2354270), (10, 2118843), (15, 1412562), (18, 1177135), (30, 706281), (45, 470854), (90, 235427), (311, 68130), (622, 34065), (757, 27990), (933, 22710), (1514, 13995), (1555, 13626), (1866, 11355), (2271, 9330), (2799, 7570), (3110, 6813), (3785, 5598), (4542, 4665)]