21432138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2351

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34451382

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2309, 3094, 4618, 4641, 6927, 9282, 13854, 16163, 30017, 32326, 39253, 48489, 60034, 78506, 90051, 96978, 117759, 180102, 210119, 235518, 274771, 420238, 510289, 549542, 630357, 824313, 1020578, 1260714, 1530867, 1648626, 3061734, 3572023, 7144046, 10716069, 21432138]

約数ペア:

[(1, 21432138), (2, 10716069), (3, 7144046), (6, 3572023), (7, 3061734), (13, 1648626), (14, 1530867), (17, 1260714), (21, 1020578), (26, 824313), (34, 630357), (39, 549542), (42, 510289), (51, 420238), (78, 274771), (91, 235518), (102, 210119), (119, 180102), (182, 117759), (221, 96978), (238, 90051), (273, 78506), (357, 60034), (442, 48489), (546, 39253), (663, 32326), (714, 30017), (1326, 16163), (1547, 13854), (2309, 9282), (3094, 6927), (4618, 4641)]