21730890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3433}}^1$

素因数の和:3654

約数の個数: 32

約数和(自身を含む): 52416576

約数和(自身を除く): 30685686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3433, 6330, 6866, 10299, 17165, 20598, 34330, 51495, 102990, 724363, 1448726, 2173089, 3621815, 4346178, 7243630, 10865445, 21730890]

約数ペア:

[(1, 21730890), (2, 10865445), (3, 7243630), (5, 4346178), (6, 3621815), (10, 2173089), (15, 1448726), (30, 724363), (211, 102990), (422, 51495), (633, 34330), (1055, 20598), (1266, 17165), (2110, 10299), (3165, 6866), (3433, 6330)]