21573846

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3643}}^1$

素因数の和:3705

約数の個数: 48

約数和(自身を含む): 54572544

約数和(自身を除く): 32998698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3643, 5922, 7286, 10929, 21858, 25501, 32787, 51002, 65574, 76503, 153006, 171221, 229509, 342442, 459018, 513663, 1027326, 1198547, 1540989, 2397094, 3081978, 3595641, 7191282, 10786923, 21573846]

約数ペア:

[(1, 21573846), (2, 10786923), (3, 7191282), (6, 3595641), (7, 3081978), (9, 2397094), (14, 1540989), (18, 1198547), (21, 1027326), (42, 513663), (47, 459018), (63, 342442), (94, 229509), (126, 171221), (141, 153006), (282, 76503), (329, 65574), (423, 51002), (658, 32787), (846, 25501), (987, 21858), (1974, 10929), (2961, 7286), (3643, 5922)]