21733504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 48023640

約数和(自身を除く): 26290136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 296, 353, 416, 481, 592, 706, 832, 962, 1184, 1412, 1664, 1924, 2368, 2824, 3848, 4589, 4736, 5648, 7696, 9178, 11296, 13061, 15392, 18356, 22592, 26122, 30784, 36712, 45184, 52244, 61568, 73424, 104488, 146848, 169793, 208976, 293696, 339586, 417952, 587392, 679172, 835904, 1358344, 1671808, 2716688, 5433376, 10866752, 21733504]

約数ペア:

[(1, 21733504), (2, 10866752), (4, 5433376), (8, 2716688), (13, 1671808), (16, 1358344), (26, 835904), (32, 679172), (37, 587392), (52, 417952), (64, 339586), (74, 293696), (104, 208976), (128, 169793), (148, 146848), (208, 104488), (296, 73424), (353, 61568), (416, 52244), (481, 45184), (592, 36712), (706, 30784), (832, 26122), (962, 22592), (1184, 18356), (1412, 15392), (1664, 13061), (1924, 11296), (2368, 9178), (2824, 7696), (3848, 5648), (4589, 4736)]