21567492

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 72

約数和(自身を含む): 59484320

約数和(自身を除く): 37916828

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 289, 306, 459, 578, 612, 691, 867, 918, 1156, 1382, 1734, 1836, 2073, 2601, 2764, 3468, 4146, 5202, 6219, 7803, 8292, 10404, 11747, 12438, 15606, 18657, 23494, 24876, 31212, 35241, 37314, 46988, 70482, 74628, 105723, 140964, 199699, 211446, 317169, 399398, 422892, 599097, 634338, 798796, 1198194, 1268676, 1797291, 2396388, 3594582, 5391873, 7189164, 10783746, 21567492]

約数ペア:

[(1, 21567492), (2, 10783746), (3, 7189164), (4, 5391873), (6, 3594582), (9, 2396388), (12, 1797291), (17, 1268676), (18, 1198194), (27, 798796), (34, 634338), (36, 599097), (51, 422892), (54, 399398), (68, 317169), (102, 211446), (108, 199699), (153, 140964), (204, 105723), (289, 74628), (306, 70482), (459, 46988), (578, 37314), (612, 35241), (691, 31212), (867, 24876), (918, 23494), (1156, 18657), (1382, 15606), (1734, 12438), (1836, 11747), (2073, 10404), (2601, 8292), (2764, 7803), (3468, 6219), (4146, 5202)]