21621384

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3275

約数の個数: 64

約数和(自身を含む): 62016000

約数和(自身を除く): 40394616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 558, 744, 837, 1116, 1674, 2232, 3229, 3348, 6458, 6696, 9687, 12916, 19374, 25832, 29061, 38748, 58122, 77496, 87183, 100099, 116244, 174366, 200198, 232488, 300297, 348732, 400396, 600594, 697464, 800792, 900891, 1201188, 1801782, 2402376, 2702673, 3603564, 5405346, 7207128, 10810692, 21621384]

約数ペア:

[(1, 21621384), (2, 10810692), (3, 7207128), (4, 5405346), (6, 3603564), (8, 2702673), (9, 2402376), (12, 1801782), (18, 1201188), (24, 900891), (27, 800792), (31, 697464), (36, 600594), (54, 400396), (62, 348732), (72, 300297), (93, 232488), (108, 200198), (124, 174366), (186, 116244), (216, 100099), (248, 87183), (279, 77496), (372, 58122), (558, 38748), (744, 29061), (837, 25832), (1116, 19374), (1674, 12916), (2232, 9687), (3229, 6696), (3348, 6458)]