21973376

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 24293824

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 79, 82, 106, 128, 158, 164, 212, 316, 328, 424, 632, 656, 848, 1264, 1312, 1696, 2173, 2528, 2624, 3239, 3392, 4187, 4346, 5056, 5248, 6478, 6784, 8374, 8692, 10112, 12956, 16748, 17384, 25912, 33496, 34768, 51824, 66992, 69536, 103648, 133984, 139072, 171667, 207296, 267968, 278144, 343334, 414592, 535936, 686668, 1373336, 2746672, 5493344, 10986688, 21973376]

約数ペア:

[(1, 21973376), (2, 10986688), (4, 5493344), (8, 2746672), (16, 1373336), (32, 686668), (41, 535936), (53, 414592), (64, 343334), (79, 278144), (82, 267968), (106, 207296), (128, 171667), (158, 139072), (164, 133984), (212, 103648), (316, 69536), (328, 66992), (424, 51824), (632, 34768), (656, 33496), (848, 25912), (1264, 17384), (1312, 16748), (1696, 12956), (2173, 10112), (2528, 8692), (2624, 8374), (3239, 6784), (3392, 6478), (4187, 5248), (4346, 5056)]