21999540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{983}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 61826688

約数和(自身を除く): 39827148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 983, 1119, 1492, 1865, 1966, 2238, 2949, 3730, 3932, 4476, 4915, 5595, 5898, 7460, 9830, 11190, 11796, 14745, 19660, 22380, 29490, 58980, 366659, 733318, 1099977, 1466636, 1833295, 2199954, 3666590, 4399908, 5499885, 7333180, 10999770, 21999540]

約数ペア:

[(1, 21999540), (2, 10999770), (3, 7333180), (4, 5499885), (5, 4399908), (6, 3666590), (10, 2199954), (12, 1833295), (15, 1466636), (20, 1099977), (30, 733318), (60, 366659), (373, 58980), (746, 29490), (983, 22380), (1119, 19660), (1492, 14745), (1865, 11796), (1966, 11190), (2238, 9830), (2949, 7460), (3730, 5898), (3932, 5595), (4476, 4915)]