21760970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28005430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 295, 385, 413, 479, 590, 649, 770, 826, 958, 1298, 2065, 2395, 3245, 3353, 4130, 4543, 4790, 5269, 6490, 6706, 9086, 10538, 16765, 22715, 26345, 28261, 33530, 36883, 45430, 52690, 56522, 73766, 141305, 184415, 197827, 282610, 310871, 368830, 395654, 621742, 989135, 1554355, 1978270, 2176097, 3108710, 4352194, 10880485, 21760970]

約数ペア:

[(1, 21760970), (2, 10880485), (5, 4352194), (7, 3108710), (10, 2176097), (11, 1978270), (14, 1554355), (22, 989135), (35, 621742), (55, 395654), (59, 368830), (70, 310871), (77, 282610), (110, 197827), (118, 184415), (154, 141305), (295, 73766), (385, 56522), (413, 52690), (479, 45430), (590, 36883), (649, 33530), (770, 28261), (826, 26345), (958, 22715), (1298, 16765), (2065, 10538), (2395, 9086), (3245, 6706), (3353, 6490), (4130, 5269), (4543, 4790)]