21112832

素因数分解:

$2^{11}\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 46461870

約数和(自身を除く): 25349038

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 169, 208, 244, 256, 338, 416, 488, 512, 676, 793, 832, 976, 1024, 1352, 1586, 1664, 1952, 2048, 2704, 3172, 3328, 3904, 5408, 6344, 6656, 7808, 10309, 10816, 12688, 13312, 15616, 20618, 21632, 25376, 26624, 31232, 41236, 43264, 50752, 62464, 82472, 86528, 101504, 124928, 164944, 173056, 203008, 329888, 346112, 406016, 659776, 812032, 1319552, 1624064, 2639104, 5278208, 10556416, 21112832]

約数ペア:

[(1, 21112832), (2, 10556416), (4, 5278208), (8, 2639104), (13, 1624064), (16, 1319552), (26, 812032), (32, 659776), (52, 406016), (61, 346112), (64, 329888), (104, 203008), (122, 173056), (128, 164944), (169, 124928), (208, 101504), (244, 86528), (256, 82472), (338, 62464), (416, 50752), (488, 43264), (512, 41236), (676, 31232), (793, 26624), (832, 25376), (976, 21632), (1024, 20618), (1352, 15616), (1586, 13312), (1664, 12688), (1952, 10816), (2048, 10309), (2704, 7808), (3172, 6656), (3328, 6344), (3904, 5408)]