21778496

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:607

約数の個数: 56

約数和(自身を含む): 47082456

約数和(自身を除く): 25303960

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 136, 148, 272, 296, 541, 544, 592, 629, 1082, 1088, 1184, 1258, 2164, 2368, 2516, 4328, 5032, 8656, 9197, 10064, 17312, 18394, 20017, 20128, 34624, 36788, 40034, 40256, 73576, 80068, 147152, 160136, 294304, 320272, 340289, 588608, 640544, 680578, 1281088, 1361156, 2722312, 5444624, 10889248, 21778496]

約数ペア:

[(1, 21778496), (2, 10889248), (4, 5444624), (8, 2722312), (16, 1361156), (17, 1281088), (32, 680578), (34, 640544), (37, 588608), (64, 340289), (68, 320272), (74, 294304), (136, 160136), (148, 147152), (272, 80068), (296, 73576), (541, 40256), (544, 40034), (592, 36788), (629, 34624), (1082, 20128), (1088, 20017), (1184, 18394), (1258, 17312), (2164, 10064), (2368, 9197), (2516, 8656), (4328, 5032)]