21511672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2273}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 49937040

約数和(自身を除く): 28425368

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2273, 2366, 4546, 4732, 9092, 9464, 15911, 18184, 29549, 31822, 59098, 63644, 118196, 127288, 206843, 236392, 384137, 413686, 768274, 827372, 1536548, 1654744, 2688959, 3073096, 5377918, 10755836, 21511672]

約数ペア:

[(1, 21511672), (2, 10755836), (4, 5377918), (7, 3073096), (8, 2688959), (13, 1654744), (14, 1536548), (26, 827372), (28, 768274), (52, 413686), (56, 384137), (91, 236392), (104, 206843), (169, 127288), (182, 118196), (338, 63644), (364, 59098), (676, 31822), (728, 29549), (1183, 18184), (1352, 15911), (2273, 9464), (2366, 9092), (4546, 4732)]