21152194

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17105726

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 203, 371, 406, 742, 983, 1537, 1966, 3074, 6881, 10759, 13762, 21518, 28507, 52099, 57014, 104198, 199549, 364693, 399098, 729386, 1510871, 3021742, 10576097, 21152194]

約数ペア:

[(1, 21152194), (2, 10576097), (7, 3021742), (14, 1510871), (29, 729386), (53, 399098), (58, 364693), (106, 199549), (203, 104198), (371, 57014), (406, 52099), (742, 28507), (983, 21518), (1537, 13762), (1966, 10759), (3074, 6881)]