21296036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 21160924

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 68, 76, 106, 212, 311, 323, 622, 646, 901, 1007, 1244, 1292, 1802, 2014, 3604, 4028, 5287, 5909, 10574, 11818, 16483, 17119, 21148, 23636, 32966, 34238, 65932, 68476, 100453, 200906, 280211, 313177, 401812, 560422, 626354, 1120844, 1252708, 5324009, 10648018, 21296036]

約数ペア:

[(1, 21296036), (2, 10648018), (4, 5324009), (17, 1252708), (19, 1120844), (34, 626354), (38, 560422), (53, 401812), (68, 313177), (76, 280211), (106, 200906), (212, 100453), (311, 68476), (323, 65932), (622, 34238), (646, 32966), (901, 23636), (1007, 21148), (1244, 17119), (1292, 16483), (1802, 11818), (2014, 10574), (3604, 5909), (4028, 5287)]