21473730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{601}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 56065464

約数和(自身を除く): 34591734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 601, 794, 1191, 1202, 1803, 1985, 2382, 3005, 3573, 3606, 3970, 5409, 5955, 6010, 7146, 9015, 10818, 11910, 17865, 18030, 27045, 35730, 54090, 238597, 477194, 715791, 1192985, 1431582, 2147373, 2385970, 3578955, 4294746, 7157910, 10736865, 21473730]

約数ペア:

[(1, 21473730), (2, 10736865), (3, 7157910), (5, 4294746), (6, 3578955), (9, 2385970), (10, 2147373), (15, 1431582), (18, 1192985), (30, 715791), (45, 477194), (90, 238597), (397, 54090), (601, 35730), (794, 27045), (1191, 18030), (1202, 17865), (1803, 11910), (1985, 10818), (2382, 9015), (3005, 7146), (3573, 6010), (3606, 5955), (3970, 5409)]