21978851648

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{2633}}^1$

素因数の和:2864

約数の個数: 112

約数和(自身を含む): 47956500480

約数和(自身を除く): 25977648832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 127, 158, 208, 254, 316, 416, 508, 632, 832, 1016, 1027, 1264, 1651, 2032, 2054, 2528, 2633, 3302, 4064, 4108, 5056, 5266, 6604, 8128, 8216, 10033, 10532, 13208, 16432, 20066, 21064, 26416, 32864, 34229, 40132, 42128, 52832, 65728, 68458, 80264, 84256, 105664, 130429, 136916, 160528, 168512, 208007, 260858, 273832, 321056, 334391, 416014, 521716, 547664, 642112, 668782, 832028, 1043432, 1095328, 1337564, 1664056, 2086864, 2190656, 2675128, 2704091, 3328112, 4173728, 4347083, 5350256, 5408182, 6656224, 8347456, 8694166, 10700512, 10816364, 13312448, 17388332, 21401024, 21632728, 26416889, 34776664, 43265456, 52833778, 69553328, 86530912, 105667556, 139106656, 173061824, 211335112, 278213312, 343419557, 422670224, 686839114, 845340448, 1373678228, 1690680896, 2747356456, 5494712912, 10989425824, 21978851648]

約数ペア:

[(1, 21978851648), (2, 10989425824), (4, 5494712912), (8, 2747356456), (13, 1690680896), (16, 1373678228), (26, 845340448), (32, 686839114), (52, 422670224), (64, 343419557), (79, 278213312), (104, 211335112), (127, 173061824), (158, 139106656), (208, 105667556), (254, 86530912), (316, 69553328), (416, 52833778), (508, 43265456), (632, 34776664), (832, 26416889), (1016, 21632728), (1027, 21401024), (1264, 17388332), (1651, 13312448), (2032, 10816364), (2054, 10700512), (2528, 8694166), (2633, 8347456), (3302, 6656224), (4064, 5408182), (4108, 5350256), (5056, 4347083), (5266, 4173728), (6604, 3328112), (8128, 2704091), (8216, 2675128), (10033, 2190656), (10532, 2086864), (13208, 1664056), (16432, 1337564), (20066, 1095328), (21064, 1043432), (26416, 832028), (32864, 668782), (34229, 642112), (40132, 547664), (42128, 521716), (52832, 416014), (65728, 334391), (68458, 321056), (80264, 273832), (84256, 260858), (105664, 208007), (130429, 168512), (136916, 160528)]