21209156940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3303607}}^1$

素因数の和:3303726

約数の個数: 48

約数和(自身を含む): 59940663552

約数和(自身を除く): 38731506612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 3303607, 6607214, 9910821, 13214428, 16518035, 19821642, 33036070, 39643284, 49554105, 66072140, 99108210, 198216420, 353485949, 706971898, 1060457847, 1413943796, 1767429745, 2120915694, 3534859490, 4241831388, 5302289235, 7069718980, 10604578470, 21209156940]

約数ペア:

[(1, 21209156940), (2, 10604578470), (3, 7069718980), (4, 5302289235), (5, 4241831388), (6, 3534859490), (10, 2120915694), (12, 1767429745), (15, 1413943796), (20, 1060457847), (30, 706971898), (60, 353485949), (107, 198216420), (214, 99108210), (321, 66072140), (428, 49554105), (535, 39643284), (642, 33036070), (1070, 19821642), (1284, 16518035), (1605, 13214428), (2140, 9910821), (3210, 6607214), (6420, 3303607)]