21494664

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1033}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 61900410

約数和(自身を除く): 40405746

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1033, 1156, 1224, 1734, 2066, 2312, 2601, 3099, 3468, 4132, 5202, 6198, 6936, 8264, 9297, 10404, 12396, 17561, 18594, 20808, 24792, 35122, 37188, 52683, 70244, 74376, 105366, 140488, 158049, 210732, 298537, 316098, 421464, 597074, 632196, 895611, 1194148, 1264392, 1791222, 2388296, 2686833, 3582444, 5373666, 7164888, 10747332, 21494664]

約数ペア:

[(1, 21494664), (2, 10747332), (3, 7164888), (4, 5373666), (6, 3582444), (8, 2686833), (9, 2388296), (12, 1791222), (17, 1264392), (18, 1194148), (24, 895611), (34, 632196), (36, 597074), (51, 421464), (68, 316098), (72, 298537), (102, 210732), (136, 158049), (153, 140488), (204, 105366), (289, 74376), (306, 70244), (408, 52683), (578, 37188), (612, 35122), (867, 24792), (1033, 20808), (1156, 18594), (1224, 17561), (1734, 12396), (2066, 10404), (2312, 9297), (2601, 8264), (3099, 6936), (3468, 6198), (4132, 5202)]