21657888

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{3581}}^1$

素因数の和:3607

約数の個数: 96

約数和(自身を含む): 72213120

約数和(自身を除く): 50555232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 3581, 6048, 7162, 10743, 14324, 21486, 25067, 28648, 32229, 42972, 50134, 57296, 64458, 75201, 85944, 96687, 100268, 114592, 128916, 150402, 171888, 193374, 200536, 225603, 257832, 300804, 343776, 386748, 401072, 451206, 515664, 601608, 676809, 773496, 802144, 902412, 1031328, 1203216, 1353618, 1546992, 1804824, 2406432, 2707236, 3093984, 3609648, 5414472, 7219296, 10828944, 21657888]

約数ペア:

[(1, 21657888), (2, 10828944), (3, 7219296), (4, 5414472), (6, 3609648), (7, 3093984), (8, 2707236), (9, 2406432), (12, 1804824), (14, 1546992), (16, 1353618), (18, 1203216), (21, 1031328), (24, 902412), (27, 802144), (28, 773496), (32, 676809), (36, 601608), (42, 515664), (48, 451206), (54, 401072), (56, 386748), (63, 343776), (72, 300804), (84, 257832), (96, 225603), (108, 200536), (112, 193374), (126, 171888), (144, 150402), (168, 128916), (189, 114592), (216, 100268), (224, 96687), (252, 85944), (288, 75201), (336, 64458), (378, 57296), (432, 50134), (504, 42972), (672, 32229), (756, 28648), (864, 25067), (1008, 21486), (1512, 14324), (2016, 10743), (3024, 7162), (3581, 6048)]