21000657660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{133541}}^1$

素因数の和:136174

約数の個数: 48

約数和(自身を含む): 58824716832

約数和(自身を除く): 37824059172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2621, 5242, 7863, 10484, 13105, 15726, 26210, 31452, 39315, 52420, 78630, 133541, 157260, 267082, 400623, 534164, 667705, 801246, 1335410, 1602492, 2003115, 2670820, 4006230, 8012460, 350010961, 700021922, 1050032883, 1400043844, 1750054805, 2100065766, 3500109610, 4200131532, 5250164415, 7000219220, 10500328830, 21000657660]

約数ペア:

[(1, 21000657660), (2, 10500328830), (3, 7000219220), (4, 5250164415), (5, 4200131532), (6, 3500109610), (10, 2100065766), (12, 1750054805), (15, 1400043844), (20, 1050032883), (30, 700021922), (60, 350010961), (2621, 8012460), (5242, 4006230), (7863, 2670820), (10484, 2003115), (13105, 1602492), (15726, 1335410), (26210, 801246), (31452, 667705), (39315, 534164), (52420, 400623), (78630, 267082), (133541, 157260)]