21981792

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4673}}^1$

素因数の和:4700

約数の個数: 72

約数和(自身を含む): 67137336

約数和(自身を除く): 45155544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4673, 4704, 9346, 14019, 18692, 28038, 32711, 37384, 56076, 65422, 74768, 98133, 112152, 130844, 149536, 196266, 224304, 228977, 261688, 392532, 448608, 457954, 523376, 686931, 785064, 915908, 1046752, 1373862, 1570128, 1831816, 2747724, 3140256, 3663632, 5495448, 7327264, 10990896, 21981792]

約数ペア:

[(1, 21981792), (2, 10990896), (3, 7327264), (4, 5495448), (6, 3663632), (7, 3140256), (8, 2747724), (12, 1831816), (14, 1570128), (16, 1373862), (21, 1046752), (24, 915908), (28, 785064), (32, 686931), (42, 523376), (48, 457954), (49, 448608), (56, 392532), (84, 261688), (96, 228977), (98, 224304), (112, 196266), (147, 149536), (168, 130844), (196, 112152), (224, 98133), (294, 74768), (336, 65422), (392, 56076), (588, 37384), (672, 32711), (784, 28038), (1176, 18692), (1568, 14019), (2352, 9346), (4673, 4704)]