21353696

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7333}}^1$

素因数の和:7363

約数の個数: 48

約数和(自身を含む): 51748704

約数和(自身を除く): 30395008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7333, 14666, 29332, 51331, 58664, 95329, 102662, 117328, 190658, 205324, 234656, 381316, 410648, 667303, 762632, 821296, 1334606, 1525264, 1642592, 2669212, 3050528, 5338424, 10676848, 21353696]

約数ペア:

[(1, 21353696), (2, 10676848), (4, 5338424), (7, 3050528), (8, 2669212), (13, 1642592), (14, 1525264), (16, 1334606), (26, 821296), (28, 762632), (32, 667303), (52, 410648), (56, 381316), (91, 234656), (104, 205324), (112, 190658), (182, 117328), (208, 102662), (224, 95329), (364, 58664), (416, 51331), (728, 29332), (1456, 14666), (2912, 7333)]