21375504

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1972

約数の個数: 60

約数和(自身を含む): 60611200

約数和(自身を除く): 39235696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1879, 1896, 2844, 3758, 3792, 5637, 5688, 7516, 11274, 11376, 15032, 16911, 22548, 30064, 33822, 45096, 67644, 90192, 135288, 148441, 270576, 296882, 445323, 593764, 890646, 1187528, 1335969, 1781292, 2375056, 2671938, 3562584, 5343876, 7125168, 10687752, 21375504]

約数ペア:

[(1, 21375504), (2, 10687752), (3, 7125168), (4, 5343876), (6, 3562584), (8, 2671938), (9, 2375056), (12, 1781292), (16, 1335969), (18, 1187528), (24, 890646), (36, 593764), (48, 445323), (72, 296882), (79, 270576), (144, 148441), (158, 135288), (237, 90192), (316, 67644), (474, 45096), (632, 33822), (711, 30064), (948, 22548), (1264, 16911), (1422, 15032), (1879, 11376), (1896, 11274), (2844, 7516), (3758, 5688), (3792, 5637)]