21463968

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9721}}^1$

素因数の和:9757

約数の個数: 48

約数和(自身を含む): 58798656

約数和(自身を除く): 37334688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9721, 19442, 29163, 38884, 58326, 77768, 116652, 155536, 223583, 233304, 311072, 447166, 466608, 670749, 894332, 933216, 1341498, 1788664, 2682996, 3577328, 5365992, 7154656, 10731984, 21463968]

約数ペア:

[(1, 21463968), (2, 10731984), (3, 7154656), (4, 5365992), (6, 3577328), (8, 2682996), (12, 1788664), (16, 1341498), (23, 933216), (24, 894332), (32, 670749), (46, 466608), (48, 447166), (69, 311072), (92, 233304), (96, 223583), (138, 155536), (184, 116652), (276, 77768), (368, 58326), (552, 38884), (736, 29163), (1104, 19442), (2208, 9721)]