21836760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 72783360

約数和(自身を除く): 50946600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 233, 264, 284, 330, 355, 426, 440, 466, 568, 660, 699, 710, 781, 852, 932, 1065, 1165, 1320, 1398, 1420, 1562, 1704, 1864, 2130, 2330, 2343, 2563, 2796, 2840, 3124, 3495, 3905, 4260, 4660, 4686, 5126, 5592, 6248, 6990, 7689, 7810, 8520, 9320, 9372, 10252, 11715, 12815, 13980, 15378, 15620, 16543, 18744, 20504, 23430, 25630, 27960, 30756, 31240, 33086, 38445, 46860, 49629, 51260, 61512, 66172, 76890, 82715, 93720, 99258, 102520, 132344, 153780, 165430, 181973, 198516, 248145, 307560, 330860, 363946, 397032, 496290, 545919, 661720, 727892, 909865, 992580, 1091838, 1455784, 1819730, 1985160, 2183676, 2729595, 3639460, 4367352, 5459190, 7278920, 10918380, 21836760]

約数ペア:

[(1, 21836760), (2, 10918380), (3, 7278920), (4, 5459190), (5, 4367352), (6, 3639460), (8, 2729595), (10, 2183676), (11, 1985160), (12, 1819730), (15, 1455784), (20, 1091838), (22, 992580), (24, 909865), (30, 727892), (33, 661720), (40, 545919), (44, 496290), (55, 397032), (60, 363946), (66, 330860), (71, 307560), (88, 248145), (110, 198516), (120, 181973), (132, 165430), (142, 153780), (165, 132344), (213, 102520), (220, 99258), (233, 93720), (264, 82715), (284, 76890), (330, 66172), (355, 61512), (426, 51260), (440, 49629), (466, 46860), (568, 38445), (660, 33086), (699, 31240), (710, 30756), (781, 27960), (852, 25630), (932, 23430), (1065, 20504), (1165, 18744), (1320, 16543), (1398, 15620), (1420, 15378), (1562, 13980), (1704, 12815), (1864, 11715), (2130, 10252), (2330, 9372), (2343, 9320), (2563, 8520), (2796, 7810), (2840, 7689), (3124, 6990), (3495, 6248), (3905, 5592), (4260, 5126), (4660, 4686)]