21046456444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1\times {\mathrm{6203}}^1$

素因数の和:7210

約数の個数: 48

約数和(自身を含む): 40273390080

約数和(自身を除く): 19226933636

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 919, 923, 1838, 1846, 3676, 3692, 6203, 11947, 12406, 23894, 24812, 47788, 65249, 80639, 130498, 161278, 260996, 322556, 440413, 848237, 880826, 1696474, 1761652, 3392948, 5700557, 5725369, 11401114, 11450738, 22802228, 22901476, 74107241, 148214482, 296428964, 404739547, 809479094, 1618958188, 5261614111, 10523228222, 21046456444]

約数ペア:

[(1, 21046456444), (2, 10523228222), (4, 5261614111), (13, 1618958188), (26, 809479094), (52, 404739547), (71, 296428964), (142, 148214482), (284, 74107241), (919, 22901476), (923, 22802228), (1838, 11450738), (1846, 11401114), (3676, 5725369), (3692, 5700557), (6203, 3392948), (11947, 1761652), (12406, 1696474), (23894, 880826), (24812, 848237), (47788, 440413), (65249, 322556), (80639, 260996), (130498, 161278)]