21824464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 26922416

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 41, 68, 76, 82, 103, 136, 152, 164, 206, 272, 304, 323, 328, 412, 646, 656, 697, 779, 824, 1292, 1394, 1558, 1648, 1751, 1957, 2584, 2788, 3116, 3502, 3914, 4223, 5168, 5576, 6232, 7004, 7828, 8446, 11152, 12464, 13243, 14008, 15656, 16892, 26486, 28016, 31312, 33269, 33784, 52972, 66538, 67568, 71791, 80237, 105944, 133076, 143582, 160474, 211888, 266152, 287164, 320948, 532304, 574328, 641896, 1148656, 1283792, 1364029, 2728058, 5456116, 10912232, 21824464]

約数ペア:

[(1, 21824464), (2, 10912232), (4, 5456116), (8, 2728058), (16, 1364029), (17, 1283792), (19, 1148656), (34, 641896), (38, 574328), (41, 532304), (68, 320948), (76, 287164), (82, 266152), (103, 211888), (136, 160474), (152, 143582), (164, 133076), (206, 105944), (272, 80237), (304, 71791), (323, 67568), (328, 66538), (412, 52972), (646, 33784), (656, 33269), (697, 31312), (779, 28016), (824, 26486), (1292, 16892), (1394, 15656), (1558, 14008), (1648, 13243), (1751, 12464), (1957, 11152), (2584, 8446), (2788, 7828), (3116, 7004), (3502, 6232), (3914, 5576), (4223, 5168)]