21495090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33662670

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 58, 62, 87, 93, 145, 155, 174, 186, 290, 310, 435, 465, 797, 870, 899, 930, 1594, 1798, 2391, 2697, 3985, 4495, 4782, 5394, 7970, 8990, 11955, 13485, 23113, 23910, 24707, 26970, 46226, 49414, 69339, 74121, 115565, 123535, 138678, 148242, 231130, 247070, 346695, 370605, 693390, 716503, 741210, 1433006, 2149509, 3582515, 4299018, 7165030, 10747545, 21495090]

約数ペア:

[(1, 21495090), (2, 10747545), (3, 7165030), (5, 4299018), (6, 3582515), (10, 2149509), (15, 1433006), (29, 741210), (30, 716503), (31, 693390), (58, 370605), (62, 346695), (87, 247070), (93, 231130), (145, 148242), (155, 138678), (174, 123535), (186, 115565), (290, 74121), (310, 69339), (435, 49414), (465, 46226), (797, 26970), (870, 24707), (899, 23910), (930, 23113), (1594, 13485), (1798, 11955), (2391, 8990), (2697, 7970), (3985, 5394), (4495, 4782)]