21409632

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1036

約数の個数: 72

約数和(自身を含む): 61719840

約数和(自身を除く): 40310208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 941, 948, 1264, 1422, 1882, 1896, 2528, 2823, 2844, 3764, 3792, 5646, 5688, 7528, 7584, 8469, 11292, 11376, 15056, 16938, 22584, 22752, 30112, 33876, 45168, 67752, 74339, 90336, 135504, 148678, 223017, 271008, 297356, 446034, 594712, 669051, 892068, 1189424, 1338102, 1784136, 2378848, 2676204, 3568272, 5352408, 7136544, 10704816, 21409632]

約数ペア:

[(1, 21409632), (2, 10704816), (3, 7136544), (4, 5352408), (6, 3568272), (8, 2676204), (9, 2378848), (12, 1784136), (16, 1338102), (18, 1189424), (24, 892068), (32, 669051), (36, 594712), (48, 446034), (72, 297356), (79, 271008), (96, 223017), (144, 148678), (158, 135504), (237, 90336), (288, 74339), (316, 67752), (474, 45168), (632, 33876), (711, 30112), (941, 22752), (948, 22584), (1264, 16938), (1422, 15056), (1882, 11376), (1896, 11292), (2528, 8469), (2823, 7584), (2844, 7528), (3764, 5688), (3792, 5646)]