21986997615

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1487}}^1\times {\mathrm{3319}}^1$

素因数の和:4834

約数の個数: 80

約数和(自身を含む): 43038673920

約数和(自身を除く): 21051676305

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 1487, 3319, 4455, 4461, 7435, 9957, 13383, 16357, 16595, 22305, 29871, 36509, 40149, 49071, 49785, 66915, 81785, 89613, 109527, 120447, 147213, 149355, 182545, 200745, 245355, 268839, 328581, 441639, 448065, 547635, 602235, 736065, 985743, 1324917, 1344195, 1642905, 2208195, 2957229, 4928715, 4935353, 6624585, 14786145, 14806059, 24676765, 44418177, 54288883, 74030295, 133254531, 162866649, 222090885, 271444415, 399763593, 488599947, 666272655, 814333245, 1465799841, 1998817965, 2442999735, 4397399523, 7328999205, 21986997615]

約数ペア:

[(1, 21986997615), (3, 7328999205), (5, 4397399523), (9, 2442999735), (11, 1998817965), (15, 1465799841), (27, 814333245), (33, 666272655), (45, 488599947), (55, 399763593), (81, 271444415), (99, 222090885), (135, 162866649), (165, 133254531), (297, 74030295), (405, 54288883), (495, 44418177), (891, 24676765), (1485, 14806059), (1487, 14786145), (3319, 6624585), (4455, 4935353), (4461, 4928715), (7435, 2957229), (9957, 2208195), (13383, 1642905), (16357, 1344195), (16595, 1324917), (22305, 985743), (29871, 736065), (36509, 602235), (40149, 547635), (49071, 448065), (49785, 441639), (66915, 328581), (81785, 268839), (89613, 245355), (109527, 200745), (120447, 182545), (147213, 149355)]