21310649640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{939623}}^1$

素因数の和:939653

約数の個数: 160

約数和(自身を含む): 81860042880

約数和(自身を除く): 60549393240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 939623, 1879246, 2818869, 3758492, 4698115, 5637738, 6577361, 7516984, 8456607, 9396230, 11275476, 13154722, 14094345, 16913214, 18792460, 19732083, 22550952, 25369821, 26309444, 28188690, 32886805, 33826428, 37584920, 39464166, 42283035, 50739642, 52618888, 56377380, 59196249, 65773610, 67652856, 76109463, 78928332, 84566070, 98660415, 101479284, 112754760, 118392498, 126849105, 131547220, 152218926, 157856664, 169132140, 177588747, 197320830, 202958568, 236784996, 253698210, 263094440, 295981245, 304437852, 338264280, 355177494, 380547315, 394641660, 473569992, 507396420, 532766241, 591962490, 608875704, 710354988, 761094630, 789283320, 887943735, 1014792840, 1065532482, 1183924980, 1420709976, 1522189260, 1775887470, 2131064964, 2367849960, 2663831205, 3044378520, 3551774940, 4262129928, 5327662410, 7103549880, 10655324820, 21310649640]

約数ペア:

[(1, 21310649640), (2, 10655324820), (3, 7103549880), (4, 5327662410), (5, 4262129928), (6, 3551774940), (7, 3044378520), (8, 2663831205), (9, 2367849960), (10, 2131064964), (12, 1775887470), (14, 1522189260), (15, 1420709976), (18, 1183924980), (20, 1065532482), (21, 1014792840), (24, 887943735), (27, 789283320), (28, 761094630), (30, 710354988), (35, 608875704), (36, 591962490), (40, 532766241), (42, 507396420), (45, 473569992), (54, 394641660), (56, 380547315), (60, 355177494), (63, 338264280), (70, 304437852), (72, 295981245), (81, 263094440), (84, 253698210), (90, 236784996), (105, 202958568), (108, 197320830), (120, 177588747), (126, 169132140), (135, 157856664), (140, 152218926), (162, 131547220), (168, 126849105), (180, 118392498), (189, 112754760), (210, 101479284), (216, 98660415), (252, 84566070), (270, 78928332), (280, 76109463), (315, 67652856), (324, 65773610), (360, 59196249), (378, 56377380), (405, 52618888), (420, 50739642), (504, 42283035), (540, 39464166), (567, 37584920), (630, 33826428), (648, 32886805), (756, 28188690), (810, 26309444), (840, 25369821), (945, 22550952), (1080, 19732083), (1134, 18792460), (1260, 16913214), (1512, 14094345), (1620, 13154722), (1890, 11275476), (2268, 9396230), (2520, 8456607), (2835, 7516984), (3240, 6577361), (3780, 5637738), (4536, 4698115), (5670, 3758492), (7560, 2818869), (11340, 1879246), (22680, 939623)]