21564972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 44479188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 59, 66, 71, 78, 99, 117, 118, 132, 142, 143, 156, 177, 198, 213, 234, 236, 284, 286, 354, 396, 426, 429, 468, 531, 572, 639, 649, 708, 767, 781, 852, 858, 923, 1062, 1278, 1287, 1298, 1534, 1562, 1716, 1846, 1947, 2124, 2301, 2343, 2556, 2574, 2596, 2769, 3068, 3124, 3692, 3894, 4189, 4602, 4686, 5148, 5538, 5841, 6903, 7029, 7788, 8307, 8378, 8437, 9204, 9372, 10153, 11076, 11682, 12567, 13806, 14058, 16614, 16756, 16874, 20306, 23364, 25134, 25311, 27612, 28116, 30459, 33228, 33748, 37701, 40612, 46079, 50268, 50622, 54457, 60918, 75402, 75933, 91377, 92158, 101244, 108914, 121836, 138237, 150804, 151866, 163371, 182754, 184316, 217828, 276474, 303732, 326742, 365508, 414711, 490113, 552948, 599027, 653484, 829422, 980226, 1198054, 1658844, 1797081, 1960452, 2396108, 3594162, 5391243, 7188324, 10782486, 21564972]

約数ペア:

[(1, 21564972), (2, 10782486), (3, 7188324), (4, 5391243), (6, 3594162), (9, 2396108), (11, 1960452), (12, 1797081), (13, 1658844), (18, 1198054), (22, 980226), (26, 829422), (33, 653484), (36, 599027), (39, 552948), (44, 490113), (52, 414711), (59, 365508), (66, 326742), (71, 303732), (78, 276474), (99, 217828), (117, 184316), (118, 182754), (132, 163371), (142, 151866), (143, 150804), (156, 138237), (177, 121836), (198, 108914), (213, 101244), (234, 92158), (236, 91377), (284, 75933), (286, 75402), (354, 60918), (396, 54457), (426, 50622), (429, 50268), (468, 46079), (531, 40612), (572, 37701), (639, 33748), (649, 33228), (708, 30459), (767, 28116), (781, 27612), (852, 25311), (858, 25134), (923, 23364), (1062, 20306), (1278, 16874), (1287, 16756), (1298, 16614), (1534, 14058), (1562, 13806), (1716, 12567), (1846, 11682), (1947, 11076), (2124, 10153), (2301, 9372), (2343, 9204), (2556, 8437), (2574, 8378), (2596, 8307), (2769, 7788), (3068, 7029), (3124, 6903), (3692, 5841), (3894, 5538), (4189, 5148), (4602, 4686)]