21103376

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 50472960

約数和(自身を除く): 29369584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 211, 266, 304, 329, 376, 422, 532, 658, 752, 844, 893, 1064, 1316, 1477, 1688, 1786, 2128, 2632, 2954, 3376, 3572, 4009, 5264, 5908, 6251, 7144, 8018, 9917, 11816, 12502, 14288, 16036, 19834, 23632, 25004, 28063, 32072, 39668, 50008, 56126, 64144, 69419, 79336, 100016, 112252, 138838, 158672, 188423, 224504, 277676, 376846, 449008, 555352, 753692, 1110704, 1318961, 1507384, 2637922, 3014768, 5275844, 10551688, 21103376]

約数ペア:

[(1, 21103376), (2, 10551688), (4, 5275844), (7, 3014768), (8, 2637922), (14, 1507384), (16, 1318961), (19, 1110704), (28, 753692), (38, 555352), (47, 449008), (56, 376846), (76, 277676), (94, 224504), (112, 188423), (133, 158672), (152, 138838), (188, 112252), (211, 100016), (266, 79336), (304, 69419), (329, 64144), (376, 56126), (422, 50008), (532, 39668), (658, 32072), (752, 28063), (844, 25004), (893, 23632), (1064, 19834), (1316, 16036), (1477, 14288), (1688, 12502), (1786, 11816), (2128, 9917), (2632, 8018), (2954, 7144), (3376, 6251), (3572, 5908), (4009, 5264)]