21062520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1485

約数の個数: 96

約数和(自身を含む): 70171920

約数和(自身を除く): 49109400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1427, 1476, 1640, 1845, 2460, 2854, 2952, 3690, 4281, 4920, 5708, 7135, 7380, 8562, 11416, 12843, 14270, 14760, 17124, 21405, 25686, 28540, 34248, 42810, 51372, 57080, 58507, 64215, 85620, 102744, 117014, 128430, 171240, 175521, 234028, 256860, 292535, 351042, 468056, 513720, 526563, 585070, 702084, 877605, 1053126, 1170140, 1404168, 1755210, 2106252, 2340280, 2632815, 3510420, 4212504, 5265630, 7020840, 10531260, 21062520]

約数ペア:

[(1, 21062520), (2, 10531260), (3, 7020840), (4, 5265630), (5, 4212504), (6, 3510420), (8, 2632815), (9, 2340280), (10, 2106252), (12, 1755210), (15, 1404168), (18, 1170140), (20, 1053126), (24, 877605), (30, 702084), (36, 585070), (40, 526563), (41, 513720), (45, 468056), (60, 351042), (72, 292535), (82, 256860), (90, 234028), (120, 175521), (123, 171240), (164, 128430), (180, 117014), (205, 102744), (246, 85620), (328, 64215), (360, 58507), (369, 57080), (410, 51372), (492, 42810), (615, 34248), (738, 28540), (820, 25686), (984, 21405), (1230, 17124), (1427, 14760), (1476, 14270), (1640, 12843), (1845, 11416), (2460, 8562), (2854, 7380), (2952, 7135), (3690, 5708), (4281, 4920)]