21603072

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 60044544

約数和(自身を除く): 38441472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1223, 1472, 2208, 2446, 2944, 3669, 4416, 4892, 5888, 7338, 8832, 9784, 14676, 17664, 19568, 28129, 29352, 39136, 56258, 58704, 78272, 84387, 112516, 117408, 156544, 168774, 225032, 234816, 313088, 337548, 450064, 469632, 675096, 900128, 939264, 1350192, 1800256, 2700384, 3600512, 5400768, 7201024, 10801536, 21603072]

約数ペア:

[(1, 21603072), (2, 10801536), (3, 7201024), (4, 5400768), (6, 3600512), (8, 2700384), (12, 1800256), (16, 1350192), (23, 939264), (24, 900128), (32, 675096), (46, 469632), (48, 450064), (64, 337548), (69, 313088), (92, 234816), (96, 225032), (128, 168774), (138, 156544), (184, 117408), (192, 112516), (256, 84387), (276, 78272), (368, 58704), (384, 56258), (552, 39136), (736, 29352), (768, 28129), (1104, 19568), (1223, 17664), (1472, 14676), (2208, 9784), (2446, 8832), (2944, 7338), (3669, 5888), (4416, 4892)]