21234590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8597}}^1$

素因数の和:8636

約数の個数: 32

約数和(自身を含む): 43333920

約数和(自身を除く): 22099330

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8597, 17194, 42985, 85970, 111761, 163343, 223522, 326686, 558805, 816715, 1117610, 1633430, 2123459, 4246918, 10617295, 21234590]

約数ペア:

[(1, 21234590), (2, 10617295), (5, 4246918), (10, 2123459), (13, 1633430), (19, 1117610), (26, 816715), (38, 558805), (65, 326686), (95, 223522), (130, 163343), (190, 111761), (247, 85970), (494, 42985), (1235, 17194), (2470, 8597)]