20212920648

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{666829}}^1$

素因数の和:667262

約数の個数: 48

約数和(自身を含む): 54873440700

約数和(自身を除く): 34660520052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 842, 1263, 1684, 2526, 3368, 3789, 5052, 7578, 10104, 15156, 30312, 666829, 1333658, 2000487, 2667316, 4000974, 5334632, 6001461, 8001948, 12002922, 16003896, 24005844, 48011688, 280735009, 561470018, 842205027, 1122940036, 1684410054, 2245880072, 2526615081, 3368820108, 5053230162, 6737640216, 10106460324, 20212920648]

約数ペア:

[(1, 20212920648), (2, 10106460324), (3, 6737640216), (4, 5053230162), (6, 3368820108), (8, 2526615081), (9, 2245880072), (12, 1684410054), (18, 1122940036), (24, 842205027), (36, 561470018), (72, 280735009), (421, 48011688), (842, 24005844), (1263, 16003896), (1684, 12002922), (2526, 8001948), (3368, 6001461), (3789, 5334632), (5052, 4000974), (7578, 2667316), (10104, 2000487), (15156, 1333658), (30312, 666829)]