21498246

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15511}}^1$

素因数の和:15537

約数の個数: 48

約数和(自身を含む): 58076928

約数和(自身を除く): 36578682

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15511, 31022, 46533, 93066, 108577, 139599, 170621, 217154, 279198, 325731, 341242, 511863, 651462, 977193, 1023726, 1194347, 1535589, 1954386, 2388694, 3071178, 3583041, 7166082, 10749123, 21498246]

約数ペア:

[(1, 21498246), (2, 10749123), (3, 7166082), (6, 3583041), (7, 3071178), (9, 2388694), (11, 1954386), (14, 1535589), (18, 1194347), (21, 1023726), (22, 977193), (33, 651462), (42, 511863), (63, 341242), (66, 325731), (77, 279198), (99, 217154), (126, 170621), (154, 139599), (198, 108577), (231, 93066), (462, 46533), (693, 31022), (1386, 15511)]