21751985152

素因数分解:

$2^{10}\times {\mathrm{401}}^1\times {\mathrm{52973}}^1$

素因数の和:53394

約数の個数: 44

約数和(自身を含む): 43591986756

約数和(自身を除く): 21840001604

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 401, 512, 802, 1024, 1604, 3208, 6416, 12832, 25664, 51328, 52973, 102656, 105946, 205312, 211892, 410624, 423784, 847568, 1695136, 3390272, 6780544, 13561088, 21242173, 27122176, 42484346, 54244352, 84968692, 169937384, 339874768, 679749536, 1359499072, 2718998144, 5437996288, 10875992576, 21751985152]

約数ペア:

[(1, 21751985152), (2, 10875992576), (4, 5437996288), (8, 2718998144), (16, 1359499072), (32, 679749536), (64, 339874768), (128, 169937384), (256, 84968692), (401, 54244352), (512, 42484346), (802, 27122176), (1024, 21242173), (1604, 13561088), (3208, 6780544), (6416, 3390272), (12832, 1695136), (25664, 847568), (51328, 423784), (52973, 410624), (102656, 211892), (105946, 205312)]