21668712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 58800000

約数和(自身を除く): 37131288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 312, 349, 398, 597, 698, 796, 1047, 1194, 1396, 1592, 2094, 2388, 2587, 2792, 4188, 4537, 4776, 5174, 7761, 8376, 9074, 10348, 13611, 15522, 18148, 20696, 27222, 31044, 36296, 54444, 62088, 69451, 108888, 138902, 208353, 277804, 416706, 555608, 833412, 902863, 1666824, 1805726, 2708589, 3611452, 5417178, 7222904, 10834356, 21668712]

約数ペア:

[(1, 21668712), (2, 10834356), (3, 7222904), (4, 5417178), (6, 3611452), (8, 2708589), (12, 1805726), (13, 1666824), (24, 902863), (26, 833412), (39, 555608), (52, 416706), (78, 277804), (104, 208353), (156, 138902), (199, 108888), (312, 69451), (349, 62088), (398, 54444), (597, 36296), (698, 31044), (796, 27222), (1047, 20696), (1194, 18148), (1396, 15522), (1592, 13611), (2094, 10348), (2388, 9074), (2587, 8376), (2792, 7761), (4188, 5174), (4537, 4776)]