21000944650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2608813}}^1$

素因数の和:2608855

約数の個数: 48

約数和(自身を含む): 46582982784

約数和(自身を除く): 25582038134

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 4025, 8050, 2608813, 5217626, 13044065, 18261691, 26088130, 36523382, 60002699, 65220325, 91308455, 120005398, 130440650, 182616910, 300013495, 420018893, 456542275, 600026990, 840037786, 913084550, 1500067475, 2100094465, 3000134950, 4200188930, 10500472325, 21000944650]

約数ペア:

[(1, 21000944650), (2, 10500472325), (5, 4200188930), (7, 3000134950), (10, 2100094465), (14, 1500067475), (23, 913084550), (25, 840037786), (35, 600026990), (46, 456542275), (50, 420018893), (70, 300013495), (115, 182616910), (161, 130440650), (175, 120005398), (230, 91308455), (322, 65220325), (350, 60002699), (575, 36523382), (805, 26088130), (1150, 18261691), (1610, 13044065), (4025, 5217626), (8050, 2608813)]