21090595974

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{2699}}^1\times {\mathrm{3797}}^1$

素因数の和:6522

約数の個数: 64

約数和(自身を含む): 49222080000

約数和(自身を除く): 28131484026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 2699, 3797, 5398, 7594, 8097, 11391, 16194, 18893, 22782, 26579, 37786, 53158, 56679, 79737, 113358, 132251, 159474, 186053, 264502, 372106, 396753, 558159, 793506, 925757, 1116318, 1302371, 1851514, 2604742, 2777271, 3907113, 5554542, 7814226, 10248103, 20496206, 30744309, 61488618, 71736721, 143473442, 215210163, 430420326, 502157047, 1004314094, 1506471141, 3012942282, 3515099329, 7030198658, 10545297987, 21090595974]

約数ペア:

[(1, 21090595974), (2, 10545297987), (3, 7030198658), (6, 3515099329), (7, 3012942282), (14, 1506471141), (21, 1004314094), (42, 502157047), (49, 430420326), (98, 215210163), (147, 143473442), (294, 71736721), (343, 61488618), (686, 30744309), (1029, 20496206), (2058, 10248103), (2699, 7814226), (3797, 5554542), (5398, 3907113), (7594, 2777271), (8097, 2604742), (11391, 1851514), (16194, 1302371), (18893, 1116318), (22782, 925757), (26579, 793506), (37786, 558159), (53158, 396753), (56679, 372106), (79737, 264502), (113358, 186053), (132251, 159474)]