21589830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 60450624

約数和(自身を除く): 38860794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 103, 137, 153, 170, 206, 255, 274, 306, 309, 411, 510, 515, 618, 685, 765, 822, 927, 1030, 1233, 1370, 1530, 1545, 1751, 1854, 2055, 2329, 2466, 3090, 3502, 4110, 4635, 4658, 5253, 6165, 6987, 8755, 9270, 10506, 11645, 12330, 13974, 14111, 15759, 17510, 20961, 23290, 26265, 28222, 31518, 34935, 41922, 42333, 52530, 69870, 70555, 78795, 84666, 104805, 126999, 141110, 157590, 209610, 211665, 239887, 253998, 423330, 479774, 634995, 719661, 1199435, 1269990, 1439322, 2158983, 2398870, 3598305, 4317966, 7196610, 10794915, 21589830]

約数ペア:

[(1, 21589830), (2, 10794915), (3, 7196610), (5, 4317966), (6, 3598305), (9, 2398870), (10, 2158983), (15, 1439322), (17, 1269990), (18, 1199435), (30, 719661), (34, 634995), (45, 479774), (51, 423330), (85, 253998), (90, 239887), (102, 211665), (103, 209610), (137, 157590), (153, 141110), (170, 126999), (206, 104805), (255, 84666), (274, 78795), (306, 70555), (309, 69870), (411, 52530), (510, 42333), (515, 41922), (618, 34935), (685, 31518), (765, 28222), (822, 26265), (927, 23290), (1030, 20961), (1233, 17510), (1370, 15759), (1530, 14111), (1545, 13974), (1751, 12330), (1854, 11645), (2055, 10506), (2329, 9270), (2466, 8755), (3090, 6987), (3502, 6165), (4110, 5253), (4635, 4658)]