21563412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 58931712

約数和(自身を除く): 37368300

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 47, 51, 52, 68, 78, 94, 102, 141, 156, 173, 188, 204, 221, 282, 346, 442, 519, 564, 611, 663, 692, 799, 884, 1038, 1222, 1326, 1598, 1833, 2076, 2249, 2397, 2444, 2652, 2941, 3196, 3666, 4498, 4794, 5882, 6747, 7332, 8131, 8823, 8996, 9588, 10387, 11764, 13494, 16262, 17646, 20774, 24393, 26988, 31161, 32524, 35292, 38233, 41548, 48786, 62322, 76466, 97572, 105703, 114699, 124644, 138227, 152932, 211406, 229398, 276454, 317109, 414681, 422812, 458796, 552908, 634218, 829362, 1268436, 1658724, 1796951, 3593902, 5390853, 7187804, 10781706, 21563412]

約数ペア:

[(1, 21563412), (2, 10781706), (3, 7187804), (4, 5390853), (6, 3593902), (12, 1796951), (13, 1658724), (17, 1268436), (26, 829362), (34, 634218), (39, 552908), (47, 458796), (51, 422812), (52, 414681), (68, 317109), (78, 276454), (94, 229398), (102, 211406), (141, 152932), (156, 138227), (173, 124644), (188, 114699), (204, 105703), (221, 97572), (282, 76466), (346, 62322), (442, 48786), (519, 41548), (564, 38233), (611, 35292), (663, 32524), (692, 31161), (799, 26988), (884, 24393), (1038, 20774), (1222, 17646), (1326, 16262), (1598, 13494), (1833, 11764), (2076, 10387), (2249, 9588), (2397, 8996), (2444, 8823), (2652, 8131), (2941, 7332), (3196, 6747), (3666, 5882), (4498, 4794)]