21160890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1231}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 34190406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1231, 1719, 1910, 2462, 2865, 3438, 3693, 5730, 6155, 7386, 8595, 11079, 12310, 17190, 18465, 22158, 36930, 55395, 110790, 235121, 470242, 705363, 1175605, 1410726, 2116089, 2351210, 3526815, 4232178, 7053630, 10580445, 21160890]

約数ペア:

[(1, 21160890), (2, 10580445), (3, 7053630), (5, 4232178), (6, 3526815), (9, 2351210), (10, 2116089), (15, 1410726), (18, 1175605), (30, 705363), (45, 470242), (90, 235121), (191, 110790), (382, 55395), (573, 36930), (955, 22158), (1146, 18465), (1231, 17190), (1719, 12310), (1910, 11079), (2462, 8595), (2865, 7386), (3438, 6155), (3693, 5730)]