21594180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{733}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 60669504

約数和(自身を除く): 39075324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 733, 982, 1466, 1473, 1964, 2199, 2455, 2932, 2946, 3665, 4398, 4910, 5892, 7330, 7365, 8796, 9820, 10995, 14660, 14730, 21990, 29460, 43980, 359903, 719806, 1079709, 1439612, 1799515, 2159418, 3599030, 4318836, 5398545, 7198060, 10797090, 21594180]

約数ペア:

[(1, 21594180), (2, 10797090), (3, 7198060), (4, 5398545), (5, 4318836), (6, 3599030), (10, 2159418), (12, 1799515), (15, 1439612), (20, 1079709), (30, 719806), (60, 359903), (491, 43980), (733, 29460), (982, 21990), (1466, 14730), (1473, 14660), (1964, 10995), (2199, 9820), (2455, 8796), (2932, 7365), (2946, 7330), (3665, 5892), (4398, 4910)]