21000252660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20588483}}^1$

素因数の和:20588512

約数の個数: 48

約数和(自身を含む): 62259575616

約数和(自身を除く): 41259322956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20588483, 41176966, 61765449, 82353932, 102942415, 123530898, 205884830, 247061796, 308827245, 350004211, 411769660, 617654490, 700008422, 1050012633, 1235308980, 1400016844, 1750021055, 2100025266, 3500042110, 4200050532, 5250063165, 7000084220, 10500126330, 21000252660]

約数ペア:

[(1, 21000252660), (2, 10500126330), (3, 7000084220), (4, 5250063165), (5, 4200050532), (6, 3500042110), (10, 2100025266), (12, 1750021055), (15, 1400016844), (17, 1235308980), (20, 1050012633), (30, 700008422), (34, 617654490), (51, 411769660), (60, 350004211), (68, 308827245), (85, 247061796), (102, 205884830), (170, 123530898), (204, 102942415), (255, 82353932), (340, 61765449), (510, 41176966), (1020, 20588483)]