21213036

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 96

約数和(自身を含む): 61387200

約数和(自身を除く): 40174164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 174, 234, 261, 348, 351, 377, 468, 521, 522, 702, 754, 783, 1042, 1044, 1131, 1404, 1508, 1563, 1566, 2084, 2262, 3126, 3132, 3393, 4524, 4689, 6252, 6773, 6786, 9378, 10179, 13546, 13572, 14067, 15109, 18756, 20319, 20358, 27092, 28134, 30218, 40638, 40716, 45327, 56268, 60436, 60957, 81276, 90654, 121914, 135981, 181308, 182871, 196417, 243828, 271962, 365742, 392834, 407943, 543924, 589251, 731484, 785668, 815886, 1178502, 1631772, 1767753, 2357004, 3535506, 5303259, 7071012, 10606518, 21213036]

約数ペア:

[(1, 21213036), (2, 10606518), (3, 7071012), (4, 5303259), (6, 3535506), (9, 2357004), (12, 1767753), (13, 1631772), (18, 1178502), (26, 815886), (27, 785668), (29, 731484), (36, 589251), (39, 543924), (52, 407943), (54, 392834), (58, 365742), (78, 271962), (87, 243828), (108, 196417), (116, 182871), (117, 181308), (156, 135981), (174, 121914), (234, 90654), (261, 81276), (348, 60957), (351, 60436), (377, 56268), (468, 45327), (521, 40716), (522, 40638), (702, 30218), (754, 28134), (783, 27092), (1042, 20358), (1044, 20319), (1131, 18756), (1404, 15109), (1508, 14067), (1563, 13572), (1566, 13546), (2084, 10179), (2262, 9378), (3126, 6786), (3132, 6773), (3393, 6252), (4524, 4689)]