21777872

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 60

約数和(自身を含む): 46080384

約数和(自身を除く): 24302512

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 83, 92, 124, 166, 184, 248, 332, 368, 496, 529, 664, 713, 1058, 1328, 1426, 1909, 2116, 2573, 2852, 3818, 4232, 5146, 5704, 7636, 8464, 10292, 11408, 15272, 16399, 20584, 30544, 32798, 41168, 43907, 59179, 65596, 87814, 118358, 131192, 175628, 236716, 262384, 351256, 473432, 702512, 946864, 1361117, 2722234, 5444468, 10888936, 21777872]

約数ペア:

[(1, 21777872), (2, 10888936), (4, 5444468), (8, 2722234), (16, 1361117), (23, 946864), (31, 702512), (46, 473432), (62, 351256), (83, 262384), (92, 236716), (124, 175628), (166, 131192), (184, 118358), (248, 87814), (332, 65596), (368, 59179), (496, 43907), (529, 41168), (664, 32798), (713, 30544), (1058, 20584), (1328, 16399), (1426, 15272), (1909, 11408), (2116, 10292), (2573, 8464), (2852, 7636), (3818, 5704), (4232, 5146)]