21968154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 51597000

約数和(自身を除く): 29628846

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 269, 349, 538, 698, 807, 1047, 1614, 2094, 2421, 3141, 3497, 4537, 4842, 6282, 6994, 9074, 10491, 13611, 20982, 27222, 31473, 40833, 62946, 81666, 93881, 187762, 281643, 563286, 844929, 1220453, 1689858, 2440906, 3661359, 7322718, 10984077, 21968154]

約数ペア:

[(1, 21968154), (2, 10984077), (3, 7322718), (6, 3661359), (9, 2440906), (13, 1689858), (18, 1220453), (26, 844929), (39, 563286), (78, 281643), (117, 187762), (234, 93881), (269, 81666), (349, 62946), (538, 40833), (698, 31473), (807, 27222), (1047, 20982), (1614, 13611), (2094, 10491), (2421, 9074), (3141, 6994), (3497, 6282), (4537, 4842)]