21029610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 37031190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 419, 478, 717, 838, 1195, 1257, 1434, 1673, 2095, 2390, 2514, 2933, 3346, 3585, 4190, 5019, 5866, 6285, 7170, 8365, 8799, 10038, 12570, 14665, 16730, 17598, 25095, 29330, 43995, 50190, 87990, 100141, 200282, 300423, 500705, 600846, 700987, 1001410, 1401974, 1502115, 2102961, 3004230, 3504935, 4205922, 7009870, 10514805, 21029610]

約数ペア:

[(1, 21029610), (2, 10514805), (3, 7009870), (5, 4205922), (6, 3504935), (7, 3004230), (10, 2102961), (14, 1502115), (15, 1401974), (21, 1001410), (30, 700987), (35, 600846), (42, 500705), (70, 300423), (105, 200282), (210, 100141), (239, 87990), (419, 50190), (478, 43995), (717, 29330), (838, 25095), (1195, 17598), (1257, 16730), (1434, 14665), (1673, 12570), (2095, 10038), (2390, 8799), (2514, 8365), (2933, 7170), (3346, 6285), (3585, 5866), (4190, 5019)]