21448674

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 29342430

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1291, 1846, 2582, 2769, 3873, 5538, 7746, 8307, 11619, 16614, 16783, 23238, 33566, 50349, 91661, 100698, 151047, 183322, 274983, 302094, 549966, 824949, 1191593, 1649898, 2383186, 3574779, 7149558, 10724337, 21448674]

約数ペア:

[(1, 21448674), (2, 10724337), (3, 7149558), (6, 3574779), (9, 2383186), (13, 1649898), (18, 1191593), (26, 824949), (39, 549966), (71, 302094), (78, 274983), (117, 183322), (142, 151047), (213, 100698), (234, 91661), (426, 50349), (639, 33566), (923, 23238), (1278, 16783), (1291, 16614), (1846, 11619), (2582, 8307), (2769, 7746), (3873, 5538)]