21535168

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:365

約数の個数: 56

約数和(自身を含む): 45445680

約数和(自身を除く): 23910512

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 64, 82, 116, 164, 232, 283, 328, 464, 566, 656, 928, 1132, 1189, 1312, 1856, 2264, 2378, 2624, 4528, 4756, 8207, 9056, 9512, 11603, 16414, 18112, 19024, 23206, 32828, 38048, 46412, 65656, 76096, 92824, 131312, 185648, 262624, 336487, 371296, 525248, 672974, 742592, 1345948, 2691896, 5383792, 10767584, 21535168]

約数ペア:

[(1, 21535168), (2, 10767584), (4, 5383792), (8, 2691896), (16, 1345948), (29, 742592), (32, 672974), (41, 525248), (58, 371296), (64, 336487), (82, 262624), (116, 185648), (164, 131312), (232, 92824), (283, 76096), (328, 65656), (464, 46412), (566, 38048), (656, 32828), (928, 23206), (1132, 19024), (1189, 18112), (1312, 16414), (1856, 11603), (2264, 9512), (2378, 9056), (2624, 8207), (4528, 4756)]