21770892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4229}}^1$

素因数の和:4263

約数の個数: 72

約数和(自身を含む): 64668240

約数和(自身を除く): 42897348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4229, 5148, 8458, 12687, 16916, 25374, 38061, 46519, 50748, 54977, 76122, 93038, 109954, 139557, 152244, 164931, 186076, 219908, 279114, 329862, 418671, 494793, 558228, 604747, 659724, 837342, 989586, 1209494, 1674684, 1814241, 1979172, 2418988, 3628482, 5442723, 7256964, 10885446, 21770892]

約数ペア:

[(1, 21770892), (2, 10885446), (3, 7256964), (4, 5442723), (6, 3628482), (9, 2418988), (11, 1979172), (12, 1814241), (13, 1674684), (18, 1209494), (22, 989586), (26, 837342), (33, 659724), (36, 604747), (39, 558228), (44, 494793), (52, 418671), (66, 329862), (78, 279114), (99, 219908), (117, 186076), (132, 164931), (143, 152244), (156, 139557), (198, 109954), (234, 93038), (286, 76122), (396, 54977), (429, 50748), (468, 46519), (572, 38061), (858, 25374), (1287, 16916), (1716, 12687), (2574, 8458), (4229, 5148)]