21000955966

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1\times {\mathrm{4099}}^1$

素因数の和:5128

約数の個数: 32

約数和(自身を含む): 33175756800

約数和(自身を除く): 12174800834

約数列:

[1, 2, 23, 46, 127, 254, 877, 1754, 2921, 4099, 5842, 8198, 20171, 40342, 94277, 111379, 188554, 222758, 520573, 1041146, 2561717, 3594823, 5123434, 7189646, 11973179, 23946358, 82680929, 165361858, 456542521, 913085042, 10500477983, 21000955966]

約数ペア:

[(1, 21000955966), (2, 10500477983), (23, 913085042), (46, 456542521), (127, 165361858), (254, 82680929), (877, 23946358), (1754, 11973179), (2921, 7189646), (4099, 5123434), (5842, 3594823), (8198, 2561717), (20171, 1041146), (40342, 520573), (94277, 222758), (111379, 188554)]