21516832

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 46108440

約数和(自身を除く): 24591608

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1069, 1184, 1258, 2138, 2516, 4276, 5032, 8552, 10064, 17104, 18173, 20128, 34208, 36346, 39553, 72692, 79106, 145384, 158212, 290768, 316424, 581536, 632848, 672401, 1265696, 1344802, 2689604, 5379208, 10758416, 21516832]

約数ペア:

[(1, 21516832), (2, 10758416), (4, 5379208), (8, 2689604), (16, 1344802), (17, 1265696), (32, 672401), (34, 632848), (37, 581536), (68, 316424), (74, 290768), (136, 158212), (148, 145384), (272, 79106), (296, 72692), (544, 39553), (592, 36346), (629, 34208), (1069, 20128), (1184, 18173), (1258, 17104), (2138, 10064), (2516, 8552), (4276, 5032)]