21423870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18311}}^1$

素因数の和:18337

約数の個数: 48

約数和(自身を含む): 59990112

約数和(自身を除く): 38566242

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18311, 36622, 54933, 91555, 109866, 164799, 183110, 238043, 274665, 329598, 476086, 549330, 714129, 823995, 1190215, 1428258, 1647990, 2142387, 2380430, 3570645, 4284774, 7141290, 10711935, 21423870]

約数ペア:

[(1, 21423870), (2, 10711935), (3, 7141290), (5, 4284774), (6, 3570645), (9, 2380430), (10, 2142387), (13, 1647990), (15, 1428258), (18, 1190215), (26, 823995), (30, 714129), (39, 549330), (45, 476086), (65, 329598), (78, 274665), (90, 238043), (117, 183110), (130, 164799), (195, 109866), (234, 91555), (390, 54933), (585, 36622), (1170, 18311)]