21571320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2683}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 65704320

約数和(自身を除く): 44133000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 2683, 4020, 5366, 8040, 8049, 10732, 13415, 16098, 21464, 26830, 32196, 40245, 53660, 64392, 80490, 107320, 160980, 179761, 321960, 359522, 539283, 719044, 898805, 1078566, 1438088, 1797610, 2157132, 2696415, 3595220, 4314264, 5392830, 7190440, 10785660, 21571320]

約数ペア:

[(1, 21571320), (2, 10785660), (3, 7190440), (4, 5392830), (5, 4314264), (6, 3595220), (8, 2696415), (10, 2157132), (12, 1797610), (15, 1438088), (20, 1078566), (24, 898805), (30, 719044), (40, 539283), (60, 359522), (67, 321960), (120, 179761), (134, 160980), (201, 107320), (268, 80490), (335, 64392), (402, 53660), (536, 40245), (670, 32196), (804, 26830), (1005, 21464), (1340, 16098), (1608, 13415), (2010, 10732), (2680, 8049), (2683, 8040), (4020, 5366)]