21796866

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1936

約数の個数: 72

約数和(自身を含む): 59194044

約数和(自身を除く): 37397178

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1901, 1911, 3802, 3822, 5703, 5733, 11406, 11466, 13307, 17109, 24713, 26614, 34218, 39921, 49426, 74139, 79842, 93149, 119763, 148278, 172991, 186298, 222417, 239526, 279447, 345982, 444834, 518973, 558894, 838341, 1037946, 1210937, 1556919, 1676682, 2421874, 3113838, 3632811, 7265622, 10898433, 21796866]

約数ペア:

[(1, 21796866), (2, 10898433), (3, 7265622), (6, 3632811), (7, 3113838), (9, 2421874), (13, 1676682), (14, 1556919), (18, 1210937), (21, 1037946), (26, 838341), (39, 558894), (42, 518973), (49, 444834), (63, 345982), (78, 279447), (91, 239526), (98, 222417), (117, 186298), (126, 172991), (147, 148278), (182, 119763), (234, 93149), (273, 79842), (294, 74139), (441, 49426), (546, 39921), (637, 34218), (819, 26614), (882, 24713), (1274, 17109), (1638, 13307), (1901, 11466), (1911, 11406), (3802, 5733), (3822, 5703)]