12921804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 38158848

約数和(自身を除く): 25237044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1091, 1316, 1692, 1974, 2182, 2961, 3273, 3948, 4364, 5922, 6546, 7637, 9819, 11844, 13092, 15274, 19638, 22911, 30548, 39276, 45822, 51277, 68733, 91644, 102554, 137466, 153831, 205108, 274932, 307662, 358939, 461493, 615324, 717878, 922986, 1076817, 1435756, 1845972, 2153634, 3230451, 4307268, 6460902, 12921804]

約数ペア:

[(1, 12921804), (2, 6460902), (3, 4307268), (4, 3230451), (6, 2153634), (7, 1845972), (9, 1435756), (12, 1076817), (14, 922986), (18, 717878), (21, 615324), (28, 461493), (36, 358939), (42, 307662), (47, 274932), (63, 205108), (84, 153831), (94, 137466), (126, 102554), (141, 91644), (188, 68733), (252, 51277), (282, 45822), (329, 39276), (423, 30548), (564, 22911), (658, 19638), (846, 15274), (987, 13092), (1091, 11844), (1316, 9819), (1692, 7637), (1974, 6546), (2182, 5922), (2961, 4364), (3273, 3948)]