21002813364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{339127}}^1$

素因数の和:339544

約数の個数: 48

約数和(自身を含む): 52909394048

約数和(自身を除く): 31906580684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 397, 794, 1191, 1588, 2382, 4764, 5161, 10322, 15483, 20644, 30966, 61932, 339127, 678254, 1017381, 1356508, 2034762, 4069524, 4408651, 8817302, 13225953, 17634604, 26451906, 52903812, 134633419, 269266838, 403900257, 538533676, 807800514, 1615601028, 1750234447, 3500468894, 5250703341, 7000937788, 10501406682, 21002813364]

約数ペア:

[(1, 21002813364), (2, 10501406682), (3, 7000937788), (4, 5250703341), (6, 3500468894), (12, 1750234447), (13, 1615601028), (26, 807800514), (39, 538533676), (52, 403900257), (78, 269266838), (156, 134633419), (397, 52903812), (794, 26451906), (1191, 17634604), (1588, 13225953), (2382, 8817302), (4764, 4408651), (5161, 4069524), (10322, 2034762), (15483, 1356508), (20644, 1017381), (30966, 678254), (61932, 339127)]