21959080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 58653000

約数和(自身を除く): 36693920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 349, 440, 484, 520, 572, 605, 698, 715, 968, 1144, 1210, 1396, 1430, 1573, 1745, 2420, 2792, 2860, 3146, 3490, 3839, 4537, 4840, 5720, 6292, 6980, 7678, 7865, 9074, 12584, 13960, 15356, 15730, 18148, 19195, 22685, 30712, 31460, 36296, 38390, 42229, 45370, 49907, 62920, 76780, 84458, 90740, 99814, 153560, 168916, 181480, 199628, 211145, 249535, 337832, 399256, 422290, 499070, 548977, 844580, 998140, 1097954, 1689160, 1996280, 2195908, 2744885, 4391816, 5489770, 10979540, 21959080]

約数ペア:

[(1, 21959080), (2, 10979540), (4, 5489770), (5, 4391816), (8, 2744885), (10, 2195908), (11, 1996280), (13, 1689160), (20, 1097954), (22, 998140), (26, 844580), (40, 548977), (44, 499070), (52, 422290), (55, 399256), (65, 337832), (88, 249535), (104, 211145), (110, 199628), (121, 181480), (130, 168916), (143, 153560), (220, 99814), (242, 90740), (260, 84458), (286, 76780), (349, 62920), (440, 49907), (484, 45370), (520, 42229), (572, 38390), (605, 36296), (698, 31460), (715, 30712), (968, 22685), (1144, 19195), (1210, 18148), (1396, 15730), (1430, 15356), (1573, 13960), (1745, 12584), (2420, 9074), (2792, 7865), (2860, 7678), (3146, 6980), (3490, 6292), (3839, 5720), (4537, 4840)]