21461076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6551}}^1$

素因数の和:6581

約数の個数: 72

約数和(自身を含む): 66777984

約数和(自身を除く): 45316908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6551, 13102, 19653, 26204, 39306, 45857, 58959, 78612, 85163, 91714, 117918, 137571, 170326, 183428, 235836, 255489, 275142, 340652, 412713, 510978, 550284, 596141, 766467, 825426, 1021956, 1192282, 1532934, 1650852, 1788423, 2384564, 3065868, 3576846, 5365269, 7153692, 10730538, 21461076]

約数ペア:

[(1, 21461076), (2, 10730538), (3, 7153692), (4, 5365269), (6, 3576846), (7, 3065868), (9, 2384564), (12, 1788423), (13, 1650852), (14, 1532934), (18, 1192282), (21, 1021956), (26, 825426), (28, 766467), (36, 596141), (39, 550284), (42, 510978), (52, 412713), (63, 340652), (78, 275142), (84, 255489), (91, 235836), (117, 183428), (126, 170326), (156, 137571), (182, 117918), (234, 91714), (252, 85163), (273, 78612), (364, 58959), (468, 45857), (546, 39306), (819, 26204), (1092, 19653), (1638, 13102), (3276, 6551)]