21991632

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2711}}^1$

素因数の和:2748

約数の個数: 60

約数和(自身を含む): 61540704

約数和(自身を除く): 39549072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2704, 2711, 4056, 5422, 8112, 8133, 10844, 16266, 21688, 32532, 35243, 43376, 65064, 70486, 105729, 130128, 140972, 211458, 281944, 422916, 458159, 563888, 845832, 916318, 1374477, 1691664, 1832636, 2748954, 3665272, 5497908, 7330544, 10995816, 21991632]

約数ペア:

[(1, 21991632), (2, 10995816), (3, 7330544), (4, 5497908), (6, 3665272), (8, 2748954), (12, 1832636), (13, 1691664), (16, 1374477), (24, 916318), (26, 845832), (39, 563888), (48, 458159), (52, 422916), (78, 281944), (104, 211458), (156, 140972), (169, 130128), (208, 105729), (312, 70486), (338, 65064), (507, 43376), (624, 35243), (676, 32532), (1014, 21688), (1352, 16266), (2028, 10844), (2704, 8133), (2711, 8112), (4056, 5422)]