21384158

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 14731042

約数列:

[1, 2, 19, 23, 38, 43, 46, 86, 437, 569, 817, 874, 989, 1138, 1634, 1978, 10811, 13087, 18791, 21622, 24467, 26174, 37582, 48934, 248653, 464873, 497306, 562741, 929746, 1125482, 10692079, 21384158]

約数ペア:

[(1, 21384158), (2, 10692079), (19, 1125482), (23, 929746), (38, 562741), (43, 497306), (46, 464873), (86, 248653), (437, 48934), (569, 37582), (817, 26174), (874, 24467), (989, 21622), (1138, 18791), (1634, 13087), (1978, 10811)]