21075432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 60556800

約数和(自身を除く): 39481368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 379, 662, 758, 993, 1137, 1324, 1516, 1986, 2274, 2317, 2648, 2653, 3032, 3972, 4548, 4634, 5306, 6951, 7944, 7959, 9096, 9268, 10612, 13902, 15918, 18536, 21224, 27804, 31836, 55608, 63672, 125449, 250898, 376347, 501796, 752694, 878143, 1003592, 1505388, 1756286, 2634429, 3010776, 3512572, 5268858, 7025144, 10537716, 21075432]

約数ペア:

[(1, 21075432), (2, 10537716), (3, 7025144), (4, 5268858), (6, 3512572), (7, 3010776), (8, 2634429), (12, 1756286), (14, 1505388), (21, 1003592), (24, 878143), (28, 752694), (42, 501796), (56, 376347), (84, 250898), (168, 125449), (331, 63672), (379, 55608), (662, 31836), (758, 27804), (993, 21224), (1137, 18536), (1324, 15918), (1516, 13902), (1986, 10612), (2274, 9268), (2317, 9096), (2648, 7959), (2653, 7944), (3032, 6951), (3972, 5306), (4548, 4634)]