21665616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3793}}^1$

素因数の和:3828

約数の個数: 80

約数和(自身を含む): 67745664

約数和(自身を除く): 46080048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3793, 5712, 7586, 11379, 15172, 22758, 26551, 30344, 45516, 53102, 60688, 64481, 79653, 91032, 106204, 128962, 159306, 182064, 193443, 212408, 257924, 318612, 386886, 424816, 451367, 515848, 637224, 773772, 902734, 1031696, 1274448, 1354101, 1547544, 1805468, 2708202, 3095088, 3610936, 5416404, 7221872, 10832808, 21665616]

約数ペア:

[(1, 21665616), (2, 10832808), (3, 7221872), (4, 5416404), (6, 3610936), (7, 3095088), (8, 2708202), (12, 1805468), (14, 1547544), (16, 1354101), (17, 1274448), (21, 1031696), (24, 902734), (28, 773772), (34, 637224), (42, 515848), (48, 451367), (51, 424816), (56, 386886), (68, 318612), (84, 257924), (102, 212408), (112, 193443), (119, 182064), (136, 159306), (168, 128962), (204, 106204), (238, 91032), (272, 79653), (336, 64481), (357, 60688), (408, 53102), (476, 45516), (714, 30344), (816, 26551), (952, 22758), (1428, 15172), (1904, 11379), (2856, 7586), (3793, 5712)]