21635224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10949}}^1$

素因数の和:10987

約数の個数: 32

約数和(自身を含む): 45990000

約数和(自身を除く): 24354776

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10949, 21898, 43796, 87592, 142337, 208031, 284674, 416062, 569348, 832124, 1138696, 1664248, 2704403, 5408806, 10817612, 21635224]

約数ペア:

[(1, 21635224), (2, 10817612), (4, 5408806), (8, 2704403), (13, 1664248), (19, 1138696), (26, 832124), (38, 569348), (52, 416062), (76, 284674), (104, 208031), (152, 142337), (247, 87592), (494, 43796), (988, 21898), (1976, 10949)]