21773340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 68953920

約数和(自身を除く): 47180580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 661, 732, 915, 1098, 1220, 1322, 1647, 1830, 1983, 2196, 2644, 2745, 3294, 3305, 3660, 3966, 5490, 5949, 6588, 6610, 7932, 8235, 9915, 10980, 11898, 13220, 16470, 17847, 19830, 23796, 29745, 32940, 35694, 39660, 40321, 59490, 71388, 80642, 89235, 118980, 120963, 161284, 178470, 201605, 241926, 356940, 362889, 403210, 483852, 604815, 725778, 806420, 1088667, 1209630, 1451556, 1814445, 2177334, 2419260, 3628890, 4354668, 5443335, 7257780, 10886670, 21773340]

約数ペア:

[(1, 21773340), (2, 10886670), (3, 7257780), (4, 5443335), (5, 4354668), (6, 3628890), (9, 2419260), (10, 2177334), (12, 1814445), (15, 1451556), (18, 1209630), (20, 1088667), (27, 806420), (30, 725778), (36, 604815), (45, 483852), (54, 403210), (60, 362889), (61, 356940), (90, 241926), (108, 201605), (122, 178470), (135, 161284), (180, 120963), (183, 118980), (244, 89235), (270, 80642), (305, 71388), (366, 59490), (540, 40321), (549, 39660), (610, 35694), (661, 32940), (732, 29745), (915, 23796), (1098, 19830), (1220, 17847), (1322, 16470), (1647, 13220), (1830, 11898), (1983, 10980), (2196, 9915), (2644, 8235), (2745, 7932), (3294, 6610), (3305, 6588), (3660, 5949), (3966, 5490)]