21724830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1213}}^1$

素因数の和:1425

約数の個数: 48

約数和(自身を含む): 56815200

約数和(自身を除く): 35090370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1213, 1791, 1990, 2426, 2985, 3582, 3639, 5970, 6065, 7278, 8955, 10917, 12130, 17910, 18195, 21834, 36390, 54585, 109170, 241387, 482774, 724161, 1206935, 1448322, 2172483, 2413870, 3620805, 4344966, 7241610, 10862415, 21724830]

約数ペア:

[(1, 21724830), (2, 10862415), (3, 7241610), (5, 4344966), (6, 3620805), (9, 2413870), (10, 2172483), (15, 1448322), (18, 1206935), (30, 724161), (45, 482774), (90, 241387), (199, 109170), (398, 54585), (597, 36390), (995, 21834), (1194, 18195), (1213, 17910), (1791, 12130), (1990, 10917), (2426, 8955), (2985, 7278), (3582, 6065), (3639, 5970)]