21963392

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 50306400

約数和(自身を除く): 28343008

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 821, 836, 1216, 1408, 1642, 1672, 2432, 3284, 3344, 6568, 6688, 9031, 13136, 13376, 15599, 18062, 26272, 26752, 31198, 36124, 52544, 62396, 72248, 105088, 124792, 144496, 171589, 249584, 288992, 343178, 499168, 577984, 686356, 998336, 1155968, 1372712, 1996672, 2745424, 5490848, 10981696, 21963392]

約数ペア:

[(1, 21963392), (2, 10981696), (4, 5490848), (8, 2745424), (11, 1996672), (16, 1372712), (19, 1155968), (22, 998336), (32, 686356), (38, 577984), (44, 499168), (64, 343178), (76, 288992), (88, 249584), (128, 171589), (152, 144496), (176, 124792), (209, 105088), (304, 72248), (352, 62396), (418, 52544), (608, 36124), (704, 31198), (821, 26752), (836, 26272), (1216, 18062), (1408, 15599), (1642, 13376), (1672, 13136), (2432, 9031), (3284, 6688), (3344, 6568)]