21827260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 35749700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 134, 140, 179, 182, 260, 268, 335, 358, 364, 455, 469, 670, 716, 871, 895, 910, 938, 1253, 1340, 1742, 1790, 1820, 1876, 2327, 2345, 2506, 3484, 3580, 4355, 4654, 4690, 5012, 6097, 6265, 8710, 9308, 9380, 11635, 11993, 12194, 12530, 16289, 17420, 23270, 23986, 24388, 25060, 30485, 32578, 46540, 47972, 59965, 60970, 65156, 81445, 83951, 119930, 121940, 155909, 162890, 167902, 239860, 311818, 325780, 335804, 419755, 623636, 779545, 839510, 1091363, 1559090, 1679020, 2182726, 3118180, 4365452, 5456815, 10913630, 21827260]

約数ペア:

[(1, 21827260), (2, 10913630), (4, 5456815), (5, 4365452), (7, 3118180), (10, 2182726), (13, 1679020), (14, 1559090), (20, 1091363), (26, 839510), (28, 779545), (35, 623636), (52, 419755), (65, 335804), (67, 325780), (70, 311818), (91, 239860), (130, 167902), (134, 162890), (140, 155909), (179, 121940), (182, 119930), (260, 83951), (268, 81445), (335, 65156), (358, 60970), (364, 59965), (455, 47972), (469, 46540), (670, 32578), (716, 30485), (871, 25060), (895, 24388), (910, 23986), (938, 23270), (1253, 17420), (1340, 16289), (1742, 12530), (1790, 12194), (1820, 11993), (1876, 11635), (2327, 9380), (2345, 9308), (2506, 8710), (3484, 6265), (3580, 6097), (4355, 5012), (4654, 4690)]