21615534

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70639}}^1$

素因数の和:70664

約数の個数: 24

約数和(自身を含む): 49589280

約数和(自身を除く): 27973746

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70639, 141278, 211917, 423834, 635751, 1200863, 1271502, 2401726, 3602589, 7205178, 10807767, 21615534]

約数ペア:

[(1, 21615534), (2, 10807767), (3, 7205178), (6, 3602589), (9, 2401726), (17, 1271502), (18, 1200863), (34, 635751), (51, 423834), (102, 211917), (153, 141278), (306, 70639)]