21790920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 65992320

約数和(自身を除く): 44201400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1607, 1695, 2260, 2712, 3214, 3390, 4520, 4821, 6428, 6780, 8035, 9642, 12856, 13560, 16070, 19284, 24105, 32140, 38568, 48210, 64280, 96420, 181591, 192840, 363182, 544773, 726364, 907955, 1089546, 1452728, 1815910, 2179092, 2723865, 3631820, 4358184, 5447730, 7263640, 10895460, 21790920]

約数ペア:

[(1, 21790920), (2, 10895460), (3, 7263640), (4, 5447730), (5, 4358184), (6, 3631820), (8, 2723865), (10, 2179092), (12, 1815910), (15, 1452728), (20, 1089546), (24, 907955), (30, 726364), (40, 544773), (60, 363182), (113, 192840), (120, 181591), (226, 96420), (339, 64280), (452, 48210), (565, 38568), (678, 32140), (904, 24105), (1130, 19284), (1356, 16070), (1607, 13560), (1695, 12856), (2260, 9642), (2712, 8035), (3214, 6780), (3390, 6428), (4520, 4821)]