21711870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12697}}^1$

素因数の和:12729

約数の個数: 48

約数和(自身を含む): 59426640

約数和(自身を除く): 37714770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12697, 25394, 38091, 63485, 76182, 114273, 126970, 190455, 228546, 241243, 380910, 482486, 571365, 723729, 1142730, 1206215, 1447458, 2171187, 2412430, 3618645, 4342374, 7237290, 10855935, 21711870]

約数ペア:

[(1, 21711870), (2, 10855935), (3, 7237290), (5, 4342374), (6, 3618645), (9, 2412430), (10, 2171187), (15, 1447458), (18, 1206215), (19, 1142730), (30, 723729), (38, 571365), (45, 482486), (57, 380910), (90, 241243), (95, 228546), (114, 190455), (171, 126970), (190, 114273), (285, 76182), (342, 63485), (570, 38091), (855, 25394), (1710, 12697)]