21878532

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15583}}^1$

素因数の和:15609

約数の個数: 48

約数和(自身を含む): 61089280

約数和(自身を除く): 39210748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15583, 31166, 46749, 62332, 93498, 140247, 186996, 202579, 280494, 405158, 420741, 560988, 607737, 810316, 841482, 1215474, 1682964, 1823211, 2430948, 3646422, 5469633, 7292844, 10939266, 21878532]

約数ペア:

[(1, 21878532), (2, 10939266), (3, 7292844), (4, 5469633), (6, 3646422), (9, 2430948), (12, 1823211), (13, 1682964), (18, 1215474), (26, 841482), (27, 810316), (36, 607737), (39, 560988), (52, 420741), (54, 405158), (78, 280494), (108, 202579), (117, 186996), (156, 140247), (234, 93498), (351, 62332), (468, 46749), (702, 31166), (1404, 15583)]