21775185

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5437}}^1$

素因数の和:5537

約数の個数: 24

約数和(自身を含む): 38174760

約数和(自身を除く): 16399575

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 5437, 16311, 27185, 48933, 81555, 244665, 483893, 1451679, 2419465, 4355037, 7258395, 21775185]

約数ペア:

[(1, 21775185), (3, 7258395), (5, 4355037), (9, 2419465), (15, 1451679), (45, 483893), (89, 244665), (267, 81555), (445, 48933), (801, 27185), (1335, 16311), (4005, 5437)]