21605976

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 67541760

約数和(自身を除く): 45935784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 163, 168, 252, 263, 326, 489, 504, 526, 652, 789, 978, 1052, 1141, 1304, 1467, 1578, 1841, 1956, 2104, 2282, 2367, 2934, 3156, 3423, 3682, 3912, 4564, 4734, 5523, 5868, 6312, 6846, 7364, 9128, 9468, 10269, 11046, 11736, 13692, 14728, 16569, 18936, 20538, 22092, 27384, 33138, 41076, 42869, 44184, 66276, 82152, 85738, 128607, 132552, 171476, 257214, 300083, 342952, 385821, 514428, 600166, 771642, 900249, 1028856, 1200332, 1543284, 1800498, 2400664, 2700747, 3086568, 3600996, 5401494, 7201992, 10802988, 21605976]

約数ペア:

[(1, 21605976), (2, 10802988), (3, 7201992), (4, 5401494), (6, 3600996), (7, 3086568), (8, 2700747), (9, 2400664), (12, 1800498), (14, 1543284), (18, 1200332), (21, 1028856), (24, 900249), (28, 771642), (36, 600166), (42, 514428), (56, 385821), (63, 342952), (72, 300083), (84, 257214), (126, 171476), (163, 132552), (168, 128607), (252, 85738), (263, 82152), (326, 66276), (489, 44184), (504, 42869), (526, 41076), (652, 33138), (789, 27384), (978, 22092), (1052, 20538), (1141, 18936), (1304, 16569), (1467, 14728), (1578, 13692), (1841, 11736), (1956, 11046), (2104, 10269), (2282, 9468), (2367, 9128), (2934, 7364), (3156, 6846), (3423, 6312), (3682, 5868), (3912, 5523), (4564, 4734)]