21292432

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 51103872

約数和(自身を除く): 29811440

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 53, 56, 68, 106, 112, 119, 136, 211, 212, 238, 272, 371, 422, 424, 476, 742, 844, 848, 901, 952, 1477, 1484, 1688, 1802, 1904, 2954, 2968, 3376, 3587, 3604, 5908, 5936, 6307, 7174, 7208, 11183, 11816, 12614, 14348, 14416, 22366, 23632, 25109, 25228, 28696, 44732, 50218, 50456, 57392, 78281, 89464, 100436, 100912, 156562, 178928, 190111, 200872, 313124, 380222, 401744, 626248, 760444, 1252496, 1330777, 1520888, 2661554, 3041776, 5323108, 10646216, 21292432]

約数ペア:

[(1, 21292432), (2, 10646216), (4, 5323108), (7, 3041776), (8, 2661554), (14, 1520888), (16, 1330777), (17, 1252496), (28, 760444), (34, 626248), (53, 401744), (56, 380222), (68, 313124), (106, 200872), (112, 190111), (119, 178928), (136, 156562), (211, 100912), (212, 100436), (238, 89464), (272, 78281), (371, 57392), (422, 50456), (424, 50218), (476, 44732), (742, 28696), (844, 25228), (848, 25109), (901, 23632), (952, 22366), (1477, 14416), (1484, 14348), (1688, 12614), (1802, 11816), (1904, 11183), (2954, 7208), (2968, 7174), (3376, 6307), (3587, 5936), (3604, 5908)]