21295449812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3079157}}^1$

素因数の和:3079200

約数の個数: 48

約数和(自身を含む): 48281197440

約数和(自身を除く): 26985747628

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 3079157, 6158314, 12316628, 21554099, 40029041, 43108198, 58503983, 80058082, 86216396, 117007966, 160116164, 234015932, 280203287, 409527881, 560406574, 760551779, 819055762, 1120813148, 1521103558, 1638111524, 3042207116, 5323862453, 10647724906, 21295449812]

約数ペア:

[(1, 21295449812), (2, 10647724906), (4, 5323862453), (7, 3042207116), (13, 1638111524), (14, 1521103558), (19, 1120813148), (26, 819055762), (28, 760551779), (38, 560406574), (52, 409527881), (76, 280203287), (91, 234015932), (133, 160116164), (182, 117007966), (247, 86216396), (266, 80058082), (364, 58503983), (494, 43108198), (532, 40029041), (988, 21554099), (1729, 12316628), (3458, 6158314), (6916, 3079157)]