21412830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11701}}^1$

素因数の和:11772

約数の個数: 32

約数和(自身を含む): 52237728

約数和(自身を除く): 30824898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11701, 23402, 35103, 58505, 70206, 117010, 175515, 351030, 713761, 1427522, 2141283, 3568805, 4282566, 7137610, 10706415, 21412830]

約数ペア:

[(1, 21412830), (2, 10706415), (3, 7137610), (5, 4282566), (6, 3568805), (10, 2141283), (15, 1427522), (30, 713761), (61, 351030), (122, 175515), (183, 117010), (305, 70206), (366, 58505), (610, 35103), (915, 23402), (1830, 11701)]