21006930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{599}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 37053870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 167, 210, 334, 501, 599, 835, 1002, 1169, 1198, 1670, 1797, 2338, 2505, 2995, 3507, 3594, 4193, 5010, 5845, 5990, 7014, 8386, 8985, 11690, 12579, 17535, 17970, 20965, 25158, 35070, 41930, 62895, 100033, 125790, 200066, 300099, 500165, 600198, 700231, 1000330, 1400462, 1500495, 2100693, 3000990, 3501155, 4201386, 7002310, 10503465, 21006930]

約数ペア:

[(1, 21006930), (2, 10503465), (3, 7002310), (5, 4201386), (6, 3501155), (7, 3000990), (10, 2100693), (14, 1500495), (15, 1400462), (21, 1000330), (30, 700231), (35, 600198), (42, 500165), (70, 300099), (105, 200066), (167, 125790), (210, 100033), (334, 62895), (501, 41930), (599, 35070), (835, 25158), (1002, 20965), (1169, 17970), (1198, 17535), (1670, 12579), (1797, 11690), (2338, 8985), (2505, 8386), (2995, 7014), (3507, 5990), (3594, 5845), (4193, 5010)]