21133938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 50211072

約数和(自身を除く): 29077134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 73, 113, 122, 146, 183, 219, 226, 339, 366, 427, 438, 511, 678, 791, 854, 1022, 1281, 1533, 1582, 2373, 2562, 3066, 4453, 4746, 6893, 8249, 8906, 13359, 13786, 16498, 20679, 24747, 26718, 31171, 41358, 48251, 49494, 57743, 62342, 93513, 96502, 115486, 144753, 173229, 187026, 289506, 346458, 503189, 1006378, 1509567, 3019134, 3522323, 7044646, 10566969, 21133938]

約数ペア:

[(1, 21133938), (2, 10566969), (3, 7044646), (6, 3522323), (7, 3019134), (14, 1509567), (21, 1006378), (42, 503189), (61, 346458), (73, 289506), (113, 187026), (122, 173229), (146, 144753), (183, 115486), (219, 96502), (226, 93513), (339, 62342), (366, 57743), (427, 49494), (438, 48251), (511, 41358), (678, 31171), (791, 26718), (854, 24747), (1022, 20679), (1281, 16498), (1533, 13786), (1582, 13359), (2373, 8906), (2562, 8249), (3066, 6893), (4453, 4746)]