21493470010

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1\times {\mathrm{1361}}^1$

素因数の和:1863

約数の個数: 64

約数和(自身を含む): 40033647360

約数和(自身を除く): 18540177350

約数列:

[1, 2, 5, 10, 53, 83, 106, 166, 265, 359, 415, 530, 718, 830, 1361, 1795, 2722, 3590, 4399, 6805, 8798, 13610, 19027, 21995, 29797, 38054, 43990, 59594, 72133, 95135, 112963, 144266, 148985, 190270, 225926, 297970, 360665, 488599, 564815, 721330, 977198, 1129630, 1579241, 2442995, 3158482, 4885990, 5987039, 7896205, 11974078, 15792410, 25895747, 29935195, 40553717, 51791494, 59870390, 81107434, 129478735, 202768585, 258957470, 405537170, 2149347001, 4298694002, 10746735005, 21493470010]

約数ペア:

[(1, 21493470010), (2, 10746735005), (5, 4298694002), (10, 2149347001), (53, 405537170), (83, 258957470), (106, 202768585), (166, 129478735), (265, 81107434), (359, 59870390), (415, 51791494), (530, 40553717), (718, 29935195), (830, 25895747), (1361, 15792410), (1795, 11974078), (2722, 7896205), (3590, 5987039), (4399, 4885990), (6805, 3158482), (8798, 2442995), (13610, 1579241), (19027, 1129630), (21995, 977198), (29797, 721330), (38054, 564815), (43990, 488599), (59594, 360665), (72133, 297970), (95135, 225926), (112963, 190270), (144266, 148985)]