21798756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3761}}^1$

素因数の和:3801

約数の個数: 72

約数和(自身を含む): 65729664

約数和(自身を除く): 43930908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3761, 5796, 7522, 11283, 15044, 22566, 26327, 33849, 45132, 52654, 67698, 78981, 86503, 105308, 135396, 157962, 173006, 236943, 259509, 315924, 346012, 473886, 519018, 605521, 778527, 947772, 1038036, 1211042, 1557054, 1816563, 2422084, 3114108, 3633126, 5449689, 7266252, 10899378, 21798756]

約数ペア:

[(1, 21798756), (2, 10899378), (3, 7266252), (4, 5449689), (6, 3633126), (7, 3114108), (9, 2422084), (12, 1816563), (14, 1557054), (18, 1211042), (21, 1038036), (23, 947772), (28, 778527), (36, 605521), (42, 519018), (46, 473886), (63, 346012), (69, 315924), (84, 259509), (92, 236943), (126, 173006), (138, 157962), (161, 135396), (207, 105308), (252, 86503), (276, 78981), (322, 67698), (414, 52654), (483, 45132), (644, 33849), (828, 26327), (966, 22566), (1449, 15044), (1932, 11283), (2898, 7522), (3761, 5796)]