21501792

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5743}}^1$

素因数の和:5772

約数の個数: 72

約数和(自身を含む): 65860704

約数和(自身を除く): 44358912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5743, 11486, 17229, 22972, 34458, 45944, 51687, 68916, 74659, 91888, 103374, 137832, 149318, 183776, 206748, 223977, 275664, 298636, 413496, 447954, 551328, 597272, 671931, 826992, 895908, 1194544, 1343862, 1653984, 1791816, 2389088, 2687724, 3583632, 5375448, 7167264, 10750896, 21501792]

約数ペア:

[(1, 21501792), (2, 10750896), (3, 7167264), (4, 5375448), (6, 3583632), (8, 2687724), (9, 2389088), (12, 1791816), (13, 1653984), (16, 1343862), (18, 1194544), (24, 895908), (26, 826992), (32, 671931), (36, 597272), (39, 551328), (48, 447954), (52, 413496), (72, 298636), (78, 275664), (96, 223977), (104, 206748), (117, 183776), (144, 149318), (156, 137832), (208, 103374), (234, 91888), (288, 74659), (312, 68916), (416, 51687), (468, 45944), (624, 34458), (936, 22972), (1248, 17229), (1872, 11486), (3744, 5743)]