21356551684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{50153}}^1$

素因数の和:50620

約数の個数: 48

約数和(自身を含む): 42466394880

約数和(自身を除く): 21109843196

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 431, 494, 862, 988, 1724, 5603, 8189, 11206, 16378, 22412, 32756, 50153, 100306, 106457, 200612, 212914, 425828, 651989, 952907, 1303978, 1905814, 2607956, 3811628, 12387791, 21615943, 24775582, 43231886, 49551164, 86463772, 281007259, 410702917, 562014518, 821405834, 1124029036, 1642811668, 5339137921, 10678275842, 21356551684]

約数ペア:

[(1, 21356551684), (2, 10678275842), (4, 5339137921), (13, 1642811668), (19, 1124029036), (26, 821405834), (38, 562014518), (52, 410702917), (76, 281007259), (247, 86463772), (431, 49551164), (494, 43231886), (862, 24775582), (988, 21615943), (1724, 12387791), (5603, 3811628), (8189, 2607956), (11206, 1905814), (16378, 1303978), (22412, 952907), (32756, 651989), (50153, 425828), (100306, 212914), (106457, 200612)]