21092130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 35586270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 191, 270, 382, 409, 573, 818, 955, 1146, 1227, 1719, 1910, 2045, 2454, 2865, 3438, 3681, 4090, 5157, 5730, 6135, 7362, 8595, 10314, 11043, 12270, 17190, 18405, 22086, 25785, 36810, 51570, 55215, 78119, 110430, 156238, 234357, 390595, 468714, 703071, 781190, 1171785, 1406142, 2109213, 2343570, 3515355, 4218426, 7030710, 10546065, 21092130]

約数ペア:

[(1, 21092130), (2, 10546065), (3, 7030710), (5, 4218426), (6, 3515355), (9, 2343570), (10, 2109213), (15, 1406142), (18, 1171785), (27, 781190), (30, 703071), (45, 468714), (54, 390595), (90, 234357), (135, 156238), (191, 110430), (270, 78119), (382, 55215), (409, 51570), (573, 36810), (818, 25785), (955, 22086), (1146, 18405), (1227, 17190), (1719, 12270), (1910, 11043), (2045, 10314), (2454, 8595), (2865, 7362), (3438, 6135), (3681, 5730), (4090, 5157)]