21160308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 36416652

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 79, 101, 102, 156, 158, 202, 204, 221, 237, 303, 316, 404, 442, 474, 606, 663, 884, 948, 1027, 1212, 1313, 1326, 1343, 1717, 2054, 2626, 2652, 2686, 3081, 3434, 3939, 4029, 4108, 5151, 5252, 5372, 6162, 6868, 7878, 7979, 8058, 10302, 12324, 15756, 15958, 16116, 17459, 20604, 22321, 23937, 31916, 34918, 44642, 47874, 52377, 66963, 69836, 89284, 95748, 103727, 104754, 133926, 135643, 207454, 209508, 267852, 271286, 311181, 406929, 414908, 542572, 622362, 813858, 1244724, 1627716, 1763359, 3526718, 5290077, 7053436, 10580154, 21160308]

約数ペア:

[(1, 21160308), (2, 10580154), (3, 7053436), (4, 5290077), (6, 3526718), (12, 1763359), (13, 1627716), (17, 1244724), (26, 813858), (34, 622362), (39, 542572), (51, 414908), (52, 406929), (68, 311181), (78, 271286), (79, 267852), (101, 209508), (102, 207454), (156, 135643), (158, 133926), (202, 104754), (204, 103727), (221, 95748), (237, 89284), (303, 69836), (316, 66963), (404, 52377), (442, 47874), (474, 44642), (606, 34918), (663, 31916), (884, 23937), (948, 22321), (1027, 20604), (1212, 17459), (1313, 16116), (1326, 15958), (1343, 15756), (1717, 12324), (2054, 10302), (2626, 8058), (2652, 7979), (2686, 7878), (3081, 6868), (3434, 6162), (3939, 5372), (4029, 5252), (4108, 5151)]