21745464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69697}}^1$

素因数の和:69719

約数の個数: 32

約数和(自身を含む): 58546320

約数和(自身を除く): 36800856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69697, 139394, 209091, 278788, 418182, 557576, 836364, 906061, 1672728, 1812122, 2718183, 3624244, 5436366, 7248488, 10872732, 21745464]

約数ペア:

[(1, 21745464), (2, 10872732), (3, 7248488), (4, 5436366), (6, 3624244), (8, 2718183), (12, 1812122), (13, 1672728), (24, 906061), (26, 836364), (39, 557576), (52, 418182), (78, 278788), (104, 209091), (156, 139394), (312, 69697)]