21459690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1524

約数の個数: 96

約数和(自身を含む): 66583296

約数和(自身を除く): 45123606

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1481, 1610, 2070, 2415, 2898, 2962, 4443, 4830, 7245, 7405, 8886, 10367, 13329, 14490, 14810, 20734, 22215, 26658, 31101, 34063, 44430, 51835, 62202, 66645, 68126, 93303, 102189, 103670, 133290, 155505, 170315, 186606, 204378, 238441, 306567, 311010, 340630, 466515, 476882, 510945, 613134, 715323, 933030, 1021890, 1192205, 1430646, 1532835, 2145969, 2384410, 3065670, 3576615, 4291938, 7153230, 10729845, 21459690]

約数ペア:

[(1, 21459690), (2, 10729845), (3, 7153230), (5, 4291938), (6, 3576615), (7, 3065670), (9, 2384410), (10, 2145969), (14, 1532835), (15, 1430646), (18, 1192205), (21, 1021890), (23, 933030), (30, 715323), (35, 613134), (42, 510945), (45, 476882), (46, 466515), (63, 340630), (69, 311010), (70, 306567), (90, 238441), (105, 204378), (115, 186606), (126, 170315), (138, 155505), (161, 133290), (207, 103670), (210, 102189), (230, 93303), (315, 68126), (322, 66645), (345, 62202), (414, 51835), (483, 44430), (630, 34063), (690, 31101), (805, 26658), (966, 22215), (1035, 20734), (1449, 14810), (1481, 14490), (1610, 13329), (2070, 10367), (2415, 8886), (2898, 7405), (2962, 7245), (4443, 4830)]