21500072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 24767128

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 59, 82, 88, 101, 118, 164, 202, 236, 328, 404, 451, 472, 649, 808, 902, 1111, 1298, 1804, 2222, 2419, 2596, 3608, 4141, 4444, 4838, 5192, 5959, 8282, 8888, 9676, 11918, 16564, 19352, 23836, 26609, 33128, 45551, 47672, 53218, 65549, 91102, 106436, 131098, 182204, 212872, 244319, 262196, 364408, 488638, 524392, 977276, 1954552, 2687509, 5375018, 10750036, 21500072]

約数ペア:

[(1, 21500072), (2, 10750036), (4, 5375018), (8, 2687509), (11, 1954552), (22, 977276), (41, 524392), (44, 488638), (59, 364408), (82, 262196), (88, 244319), (101, 212872), (118, 182204), (164, 131098), (202, 106436), (236, 91102), (328, 65549), (404, 53218), (451, 47672), (472, 45551), (649, 33128), (808, 26609), (902, 23836), (1111, 19352), (1298, 16564), (1804, 11918), (2222, 9676), (2419, 8888), (2596, 8282), (3608, 5959), (4141, 5192), (4444, 4838)]