21104340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 63334656

約数和(自身を除く): 42230316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 41, 46, 60, 69, 82, 92, 115, 123, 138, 164, 205, 230, 246, 276, 345, 373, 410, 460, 492, 615, 690, 746, 820, 943, 1119, 1230, 1380, 1492, 1865, 1886, 2238, 2460, 2829, 3730, 3772, 4476, 4715, 5595, 5658, 7460, 8579, 9430, 11190, 11316, 14145, 15293, 17158, 18860, 22380, 25737, 28290, 30586, 34316, 42895, 45879, 51474, 56580, 61172, 76465, 85790, 91758, 102948, 128685, 152930, 171580, 183516, 229395, 257370, 305860, 351739, 458790, 514740, 703478, 917580, 1055217, 1406956, 1758695, 2110434, 3517390, 4220868, 5276085, 7034780, 10552170, 21104340]

約数ペア:

[(1, 21104340), (2, 10552170), (3, 7034780), (4, 5276085), (5, 4220868), (6, 3517390), (10, 2110434), (12, 1758695), (15, 1406956), (20, 1055217), (23, 917580), (30, 703478), (41, 514740), (46, 458790), (60, 351739), (69, 305860), (82, 257370), (92, 229395), (115, 183516), (123, 171580), (138, 152930), (164, 128685), (205, 102948), (230, 91758), (246, 85790), (276, 76465), (345, 61172), (373, 56580), (410, 51474), (460, 45879), (492, 42895), (615, 34316), (690, 30586), (746, 28290), (820, 25737), (943, 22380), (1119, 18860), (1230, 17158), (1380, 15293), (1492, 14145), (1865, 11316), (1886, 11190), (2238, 9430), (2460, 8579), (2829, 7460), (3730, 5658), (3772, 5595), (4476, 4715)]