21454890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17443}}^1$

素因数の和:17494

約数の個数: 32

約数和(自身を含む): 52750656

約数和(自身を除く): 31295766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17443, 34886, 52329, 87215, 104658, 174430, 261645, 523290, 715163, 1430326, 2145489, 3575815, 4290978, 7151630, 10727445, 21454890]

約数ペア:

[(1, 21454890), (2, 10727445), (3, 7151630), (5, 4290978), (6, 3575815), (10, 2145489), (15, 1430326), (30, 715163), (41, 523290), (82, 261645), (123, 174430), (205, 104658), (246, 87215), (410, 52329), (615, 34886), (1230, 17443)]