21564468

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 61797120

約数和(自身を除く): 40232652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 81, 93, 108, 113, 114, 124, 162, 171, 186, 226, 228, 279, 324, 339, 342, 372, 452, 513, 558, 589, 678, 684, 837, 1017, 1026, 1116, 1178, 1356, 1539, 1674, 1767, 2034, 2052, 2147, 2356, 2511, 3051, 3078, 3348, 3503, 3534, 4068, 4294, 5022, 5301, 6102, 6156, 6441, 7006, 7068, 8588, 9153, 10044, 10509, 10602, 12204, 12882, 14012, 15903, 18306, 19323, 21018, 21204, 25764, 31527, 31806, 36612, 38646, 42036, 47709, 57969, 63054, 63612, 66557, 77292, 94581, 95418, 115938, 126108, 133114, 173907, 189162, 190836, 199671, 231876, 266228, 283743, 347814, 378324, 399342, 567486, 599013, 695628, 798684, 1134972, 1198026, 1797039, 2396052, 3594078, 5391117, 7188156, 10782234, 21564468]

約数ペア:

[(1, 21564468), (2, 10782234), (3, 7188156), (4, 5391117), (6, 3594078), (9, 2396052), (12, 1797039), (18, 1198026), (19, 1134972), (27, 798684), (31, 695628), (36, 599013), (38, 567486), (54, 399342), (57, 378324), (62, 347814), (76, 283743), (81, 266228), (93, 231876), (108, 199671), (113, 190836), (114, 189162), (124, 173907), (162, 133114), (171, 126108), (186, 115938), (226, 95418), (228, 94581), (279, 77292), (324, 66557), (339, 63612), (342, 63054), (372, 57969), (452, 47709), (513, 42036), (558, 38646), (589, 36612), (678, 31806), (684, 31527), (837, 25764), (1017, 21204), (1026, 21018), (1116, 19323), (1178, 18306), (1356, 15903), (1539, 14012), (1674, 12882), (1767, 12204), (2034, 10602), (2052, 10509), (2147, 10044), (2356, 9153), (2511, 8588), (3051, 7068), (3078, 7006), (3348, 6441), (3503, 6156), (3534, 6102), (4068, 5301), (4294, 5022)]