21331320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177761}}^1$

素因数の和:177775

約数の個数: 32

約数和(自身を含む): 63994320

約数和(自身を除く): 42663000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177761, 355522, 533283, 711044, 888805, 1066566, 1422088, 1777610, 2133132, 2666415, 3555220, 4266264, 5332830, 7110440, 10665660, 21331320]

約数ペア:

[(1, 21331320), (2, 10665660), (3, 7110440), (4, 5332830), (5, 4266264), (6, 3555220), (8, 2666415), (10, 2133132), (12, 1777610), (15, 1422088), (20, 1066566), (24, 888805), (30, 711044), (40, 533283), (60, 355522), (120, 177761)]