21103614688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{53569}}^1$

素因数の和:54539

約数の個数: 48

約数和(自身を含む): 44791805520

約数和(自身を除く): 23688190832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 947, 1894, 3788, 7576, 12311, 15152, 24622, 30304, 49244, 53569, 98488, 107138, 196976, 214276, 393952, 428552, 696397, 857104, 1392794, 1714208, 2785588, 5571176, 11142352, 22284704, 50729843, 101459686, 202919372, 405838744, 659487959, 811677488, 1318975918, 1623354976, 2637951836, 5275903672, 10551807344, 21103614688]

約数ペア:

[(1, 21103614688), (2, 10551807344), (4, 5275903672), (8, 2637951836), (13, 1623354976), (16, 1318975918), (26, 811677488), (32, 659487959), (52, 405838744), (104, 202919372), (208, 101459686), (416, 50729843), (947, 22284704), (1894, 11142352), (3788, 5571176), (7576, 2785588), (12311, 1714208), (15152, 1392794), (24622, 857104), (30304, 696397), (49244, 428552), (53569, 393952), (98488, 214276), (107138, 196976)]