21904092

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5147

約数の個数: 72

約数和(自身を含む): 67013856

約数和(自身を除く): 45109764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 5113, 10226, 15339, 20452, 30678, 35791, 46017, 61356, 71582, 86921, 92034, 107373, 143164, 173842, 184068, 214746, 260763, 322119, 347684, 429492, 521526, 608447, 644238, 782289, 1043052, 1216894, 1288476, 1564578, 1825341, 2433788, 3129156, 3650682, 5476023, 7301364, 10952046, 21904092]

約数ペア:

[(1, 21904092), (2, 10952046), (3, 7301364), (4, 5476023), (6, 3650682), (7, 3129156), (9, 2433788), (12, 1825341), (14, 1564578), (17, 1288476), (18, 1216894), (21, 1043052), (28, 782289), (34, 644238), (36, 608447), (42, 521526), (51, 429492), (63, 347684), (68, 322119), (84, 260763), (102, 214746), (119, 184068), (126, 173842), (153, 143164), (204, 107373), (238, 92034), (252, 86921), (306, 71582), (357, 61356), (476, 46017), (612, 35791), (714, 30678), (1071, 20452), (1428, 15339), (2142, 10226), (4284, 5113)]