21529470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 55054080

約数和(自身を除く): 33524610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214, 285, 321, 353, 535, 570, 642, 706, 1059, 1070, 1605, 1765, 2033, 2118, 3210, 3530, 4066, 5295, 6099, 6707, 10165, 10590, 12198, 13414, 20121, 20330, 30495, 33535, 37771, 40242, 60990, 67070, 75542, 100605, 113313, 188855, 201210, 226626, 377710, 566565, 717649, 1133130, 1435298, 2152947, 3588245, 4305894, 7176490, 10764735, 21529470]

約数ペア:

[(1, 21529470), (2, 10764735), (3, 7176490), (5, 4305894), (6, 3588245), (10, 2152947), (15, 1435298), (19, 1133130), (30, 717649), (38, 566565), (57, 377710), (95, 226626), (107, 201210), (114, 188855), (190, 113313), (214, 100605), (285, 75542), (321, 67070), (353, 60990), (535, 40242), (570, 37771), (642, 33535), (706, 30495), (1059, 20330), (1070, 20121), (1605, 13414), (1765, 12198), (2033, 10590), (2118, 10165), (3210, 6707), (3530, 6099), (4066, 5295)]