21007079418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{223133}}^1$

素因数の和:223239

約数の個数: 64

約数和(自身を含む): 48582519552

約数和(自身を除く): 27575440134

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 71, 78, 102, 142, 213, 221, 426, 442, 663, 923, 1207, 1326, 1846, 2414, 2769, 3621, 5538, 7242, 15691, 31382, 47073, 94146, 223133, 446266, 669399, 1338798, 2900729, 3793261, 5801458, 7586522, 8702187, 11379783, 15842443, 17404374, 22759566, 31684886, 47527329, 49312393, 95054658, 98624786, 147937179, 205951759, 269321531, 295874358, 411903518, 538643062, 617855277, 807964593, 1235710554, 1615929186, 3501179903, 7002359806, 10503539709, 21007079418]

約数ペア:

[(1, 21007079418), (2, 10503539709), (3, 7002359806), (6, 3501179903), (13, 1615929186), (17, 1235710554), (26, 807964593), (34, 617855277), (39, 538643062), (51, 411903518), (71, 295874358), (78, 269321531), (102, 205951759), (142, 147937179), (213, 98624786), (221, 95054658), (426, 49312393), (442, 47527329), (663, 31684886), (923, 22759566), (1207, 17404374), (1326, 15842443), (1846, 11379783), (2414, 8702187), (2769, 7586522), (3621, 5801458), (5538, 3793261), (7242, 2900729), (15691, 1338798), (31382, 669399), (47073, 446266), (94146, 223133)]