21083668333

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{6883}}^1$

素因数の和:7765

約数の個数: 32

約数和(自身を含む): 26618280192

約数和(自身を除く): 5534611859

約数列:

[1, 7, 13, 41, 91, 287, 533, 821, 3731, 5747, 6883, 10673, 33661, 48181, 74711, 89479, 235627, 282203, 437593, 626353, 1975421, 3063151, 3668639, 5650943, 25680473, 39556601, 73462259, 231688663, 514235813, 1621820641, 3011952619, 21083668333]

約数ペア:

[(1, 21083668333), (7, 3011952619), (13, 1621820641), (41, 514235813), (91, 231688663), (287, 73462259), (533, 39556601), (821, 25680473), (3731, 5650943), (5747, 3668639), (6883, 3063151), (10673, 1975421), (33661, 626353), (48181, 437593), (74711, 282203), (89479, 235627)]