21945312

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3313}}^1$

素因数の和:3352

約数の個数: 72

約数和(自身を含む): 65139984

約数和(自身を除く): 43194672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 3313, 6624, 6626, 9939, 13252, 19878, 26504, 29817, 39756, 53008, 59634, 76199, 79512, 106016, 119268, 152398, 159024, 228597, 238536, 304796, 318048, 457194, 477072, 609592, 685791, 914388, 954144, 1219184, 1371582, 1828776, 2438368, 2743164, 3657552, 5486328, 7315104, 10972656, 21945312]

約数ペア:

[(1, 21945312), (2, 10972656), (3, 7315104), (4, 5486328), (6, 3657552), (8, 2743164), (9, 2438368), (12, 1828776), (16, 1371582), (18, 1219184), (23, 954144), (24, 914388), (32, 685791), (36, 609592), (46, 477072), (48, 457194), (69, 318048), (72, 304796), (92, 238536), (96, 228597), (138, 159024), (144, 152398), (184, 119268), (207, 106016), (276, 79512), (288, 76199), (368, 59634), (414, 53008), (552, 39756), (736, 29817), (828, 26504), (1104, 19878), (1656, 13252), (2208, 9939), (3312, 6626), (3313, 6624)]