21903270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11969}}^1$

素因数の和:12040

約数の個数: 32

約数和(自身を含む): 53434080

約数和(自身を除く): 31530810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11969, 23938, 35907, 59845, 71814, 119690, 179535, 359070, 730109, 1460218, 2190327, 3650545, 4380654, 7301090, 10951635, 21903270]

約数ペア:

[(1, 21903270), (2, 10951635), (3, 7301090), (5, 4380654), (6, 3650545), (10, 2190327), (15, 1460218), (30, 730109), (61, 359070), (122, 179535), (183, 119690), (305, 71814), (366, 59845), (610, 35907), (915, 23938), (1830, 11969)]