21145291270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{28793}}^1$

素因数の和:28957

約数の個数: 64

約数和(自身を含む): 41397018624

約数和(自身を除く): 20251727354

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 103, 115, 155, 206, 230, 310, 515, 713, 1030, 1426, 2369, 3193, 3565, 4738, 6386, 7130, 11845, 15965, 23690, 28793, 31930, 57586, 73439, 143965, 146878, 287930, 367195, 662239, 734390, 892583, 1324478, 1785166, 2965679, 3311195, 4462915, 5931358, 6622390, 8925830, 14828395, 20529409, 29656790, 41058818, 68210617, 91936049, 102647045, 136421234, 183872098, 205294090, 341053085, 459680245, 682106170, 919360490, 2114529127, 4229058254, 10572645635, 21145291270]

約数ペア:

[(1, 21145291270), (2, 10572645635), (5, 4229058254), (10, 2114529127), (23, 919360490), (31, 682106170), (46, 459680245), (62, 341053085), (103, 205294090), (115, 183872098), (155, 136421234), (206, 102647045), (230, 91936049), (310, 68210617), (515, 41058818), (713, 29656790), (1030, 20529409), (1426, 14828395), (2369, 8925830), (3193, 6622390), (3565, 5931358), (4738, 4462915), (6386, 3311195), (7130, 2965679), (11845, 1785166), (15965, 1324478), (23690, 892583), (28793, 734390), (31930, 662239), (57586, 367195), (73439, 287930), (143965, 146878)]