21464608

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 49203504

約数和(自身を除く): 27738896

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 211, 272, 289, 352, 374, 422, 544, 578, 748, 844, 1156, 1496, 1688, 2312, 2321, 2992, 3179, 3376, 3587, 4624, 4642, 5984, 6358, 6752, 7174, 9248, 9284, 12716, 14348, 18568, 25432, 28696, 37136, 39457, 50864, 57392, 60979, 74272, 78914, 101728, 114784, 121958, 157828, 243916, 315656, 487832, 631312, 670769, 975664, 1262624, 1341538, 1951328, 2683076, 5366152, 10732304, 21464608]

約数ペア:

[(1, 21464608), (2, 10732304), (4, 5366152), (8, 2683076), (11, 1951328), (16, 1341538), (17, 1262624), (22, 975664), (32, 670769), (34, 631312), (44, 487832), (68, 315656), (88, 243916), (136, 157828), (176, 121958), (187, 114784), (211, 101728), (272, 78914), (289, 74272), (352, 60979), (374, 57392), (422, 50864), (544, 39457), (578, 37136), (748, 28696), (844, 25432), (1156, 18568), (1496, 14348), (1688, 12716), (2312, 9284), (2321, 9248), (2992, 7174), (3179, 6752), (3376, 6358), (3587, 5984), (4624, 4642)]