21732270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 38263890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 433, 478, 717, 866, 1195, 1299, 1434, 1673, 2165, 2390, 2598, 3031, 3346, 3585, 4330, 5019, 6062, 6495, 7170, 8365, 9093, 10038, 12990, 15155, 16730, 18186, 25095, 30310, 45465, 50190, 90930, 103487, 206974, 310461, 517435, 620922, 724409, 1034870, 1448818, 1552305, 2173227, 3104610, 3622045, 4346454, 7244090, 10866135, 21732270]

約数ペア:

[(1, 21732270), (2, 10866135), (3, 7244090), (5, 4346454), (6, 3622045), (7, 3104610), (10, 2173227), (14, 1552305), (15, 1448818), (21, 1034870), (30, 724409), (35, 620922), (42, 517435), (70, 310461), (105, 206974), (210, 103487), (239, 90930), (433, 50190), (478, 45465), (717, 30310), (866, 25095), (1195, 18186), (1299, 16730), (1434, 15155), (1673, 12990), (2165, 10038), (2390, 9093), (2598, 8365), (3031, 7170), (3346, 6495), (3585, 6062), (4330, 5019)]