21511051456

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{1163011}}^1$

素因数の和:1163057

約数の個数: 42

約数和(自身を含む): 45344674868

約数和(自身を除く): 23833623412

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1156, 2312, 4624, 9248, 18496, 1163011, 2326022, 4652044, 9304088, 18608176, 19771187, 37216352, 39542374, 74432704, 79084748, 158169496, 316338992, 336110179, 632677984, 672220358, 1265355968, 1344440716, 2688881432, 5377762864, 10755525728, 21511051456]

約数ペア:

[(1, 21511051456), (2, 10755525728), (4, 5377762864), (8, 2688881432), (16, 1344440716), (17, 1265355968), (32, 672220358), (34, 632677984), (64, 336110179), (68, 316338992), (136, 158169496), (272, 79084748), (289, 74432704), (544, 39542374), (578, 37216352), (1088, 19771187), (1156, 18608176), (2312, 9304088), (4624, 4652044), (9248, 2326022), (18496, 1163011)]