21490111510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{18169}}^1$

素因数の和:18521

約数の個数: 64

約数和(自身を含む): 45097649280

約数和(自身を除く): 23607537770

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 277, 305, 427, 554, 610, 854, 1385, 1939, 2135, 2770, 3878, 4270, 9695, 16897, 18169, 19390, 33794, 36338, 84485, 90845, 118279, 127183, 168970, 181690, 236558, 254366, 591395, 635915, 1108309, 1182790, 1271830, 2216618, 5032813, 5541545, 7758163, 10065626, 11083090, 15516326, 25164065, 35229691, 38790815, 50328130, 70459382, 77581630, 176148455, 307001593, 352296910, 614003186, 1535007965, 2149011151, 3070015930, 4298022302, 10745055755, 21490111510]

約数ペア:

[(1, 21490111510), (2, 10745055755), (5, 4298022302), (7, 3070015930), (10, 2149011151), (14, 1535007965), (35, 614003186), (61, 352296910), (70, 307001593), (122, 176148455), (277, 77581630), (305, 70459382), (427, 50328130), (554, 38790815), (610, 35229691), (854, 25164065), (1385, 15516326), (1939, 11083090), (2135, 10065626), (2770, 7758163), (3878, 5541545), (4270, 5032813), (9695, 2216618), (16897, 1271830), (18169, 1182790), (19390, 1108309), (33794, 635915), (36338, 591395), (84485, 254366), (90845, 236558), (118279, 181690), (127183, 168970)]