21070778872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1\times {\mathrm{6571}}^1$

素因数の和:9404

約数の個数: 64

約数和(自身を含む): 46438277760

約数和(自身を除く): 25367498888

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 2803, 5606, 6571, 11212, 13142, 22424, 26284, 30833, 36439, 52568, 61666, 72281, 72878, 85423, 123332, 144562, 145756, 170846, 246664, 289124, 291512, 341692, 400829, 578248, 683384, 801658, 939653, 1603316, 1879306, 3206632, 3758612, 7517224, 18418513, 36837026, 73674052, 147348104, 202603643, 239440669, 405207286, 478881338, 810414572, 957762676, 1620829144, 1915525352, 2633847359, 5267694718, 10535389436, 21070778872]

約数ペア:

[(1, 21070778872), (2, 10535389436), (4, 5267694718), (8, 2633847359), (11, 1915525352), (13, 1620829144), (22, 957762676), (26, 810414572), (44, 478881338), (52, 405207286), (88, 239440669), (104, 202603643), (143, 147348104), (286, 73674052), (572, 36837026), (1144, 18418513), (2803, 7517224), (5606, 3758612), (6571, 3206632), (11212, 1879306), (13142, 1603316), (22424, 939653), (26284, 801658), (30833, 683384), (36439, 578248), (52568, 400829), (61666, 341692), (72281, 291512), (72878, 289124), (85423, 246664), (123332, 170846), (144562, 145756)]