21101526

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 48911040

約数和(自身を除く): 27809514

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 73, 101, 106, 146, 159, 202, 219, 303, 318, 438, 477, 606, 657, 909, 954, 1314, 1431, 1818, 1971, 2727, 2862, 3869, 3942, 5353, 5454, 7373, 7738, 10706, 11607, 14746, 16059, 22119, 23214, 32118, 34821, 44238, 48177, 66357, 69642, 96354, 104463, 132714, 144531, 199071, 208926, 289062, 390769, 398142, 781538, 1172307, 2344614, 3516921, 7033842, 10550763, 21101526]

約数ペア:

[(1, 21101526), (2, 10550763), (3, 7033842), (6, 3516921), (9, 2344614), (18, 1172307), (27, 781538), (53, 398142), (54, 390769), (73, 289062), (101, 208926), (106, 199071), (146, 144531), (159, 132714), (202, 104463), (219, 96354), (303, 69642), (318, 66357), (438, 48177), (477, 44238), (606, 34821), (657, 32118), (909, 23214), (954, 22119), (1314, 16059), (1431, 14746), (1818, 11607), (1971, 10706), (2727, 7738), (2862, 7373), (3869, 5454), (3942, 5353)]