21994308

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 44668092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 564, 619, 658, 756, 846, 987, 1238, 1269, 1316, 1692, 1857, 1974, 2476, 2538, 2961, 3714, 3948, 4333, 5076, 5571, 5922, 7428, 8666, 8883, 11142, 11844, 12999, 16713, 17332, 17766, 22284, 25998, 29093, 33426, 35532, 38997, 51996, 58186, 66852, 77994, 87279, 116372, 116991, 155988, 174558, 203651, 233982, 261837, 349116, 407302, 467964, 523674, 610953, 785511, 814604, 1047348, 1221906, 1571022, 1832859, 2443812, 3142044, 3665718, 5498577, 7331436, 10997154, 21994308]

約数ペア:

[(1, 21994308), (2, 10997154), (3, 7331436), (4, 5498577), (6, 3665718), (7, 3142044), (9, 2443812), (12, 1832859), (14, 1571022), (18, 1221906), (21, 1047348), (27, 814604), (28, 785511), (36, 610953), (42, 523674), (47, 467964), (54, 407302), (63, 349116), (84, 261837), (94, 233982), (108, 203651), (126, 174558), (141, 155988), (188, 116991), (189, 116372), (252, 87279), (282, 77994), (329, 66852), (378, 58186), (423, 51996), (564, 38997), (619, 35532), (658, 33426), (756, 29093), (846, 25998), (987, 22284), (1238, 17766), (1269, 17332), (1316, 16713), (1692, 12999), (1857, 11844), (1974, 11142), (2476, 8883), (2538, 8666), (2961, 7428), (3714, 5922), (3948, 5571), (4333, 5076)]