21981567230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{751}}^1\times {\mathrm{1627}}^1$

素因数の和:2649

約数の個数: 64

約数和(自身を含む): 45483558912

約数和(自身を除く): 23501991682

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 751, 1285, 1502, 1627, 1799, 2570, 3254, 3598, 3755, 5257, 7510, 8135, 8995, 10514, 11389, 16270, 17990, 22778, 26285, 52570, 56945, 113890, 193007, 386014, 418139, 836278, 965035, 1221877, 1351049, 1930070, 2090695, 2443754, 2702098, 2926973, 4181390, 5853946, 6109385, 6755245, 8553139, 12218770, 13510490, 14634865, 17106278, 29269730, 42765695, 85531390, 314022389, 628044778, 1570111945, 2198156723, 3140223890, 4396313446, 10990783615, 21981567230]

約数ペア:

[(1, 21981567230), (2, 10990783615), (5, 4396313446), (7, 3140223890), (10, 2198156723), (14, 1570111945), (35, 628044778), (70, 314022389), (257, 85531390), (514, 42765695), (751, 29269730), (1285, 17106278), (1502, 14634865), (1627, 13510490), (1799, 12218770), (2570, 8553139), (3254, 6755245), (3598, 6109385), (3755, 5853946), (5257, 4181390), (7510, 2926973), (8135, 2702098), (8995, 2443754), (10514, 2090695), (11389, 1930070), (16270, 1351049), (17990, 1221877), (22778, 965035), (26285, 836278), (52570, 418139), (56945, 386014), (113890, 193007)]