21167798028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{27743}}^1$

素因数の和:27903

約数の個数: 96

約数和(自身を含む): 54726260736

約数和(自身を除く): 33558462708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 73, 78, 134, 146, 156, 201, 219, 268, 292, 402, 438, 804, 871, 876, 949, 1742, 1898, 2613, 2847, 3484, 3796, 4891, 5226, 5694, 9782, 10452, 11388, 14673, 19564, 27743, 29346, 55486, 58692, 63583, 83229, 110972, 127166, 166458, 190749, 254332, 332916, 360659, 381498, 721318, 762996, 1081977, 1442636, 1858781, 2025239, 2163954, 3717562, 4050478, 4327908, 5576343, 6075717, 7435124, 8100956, 11152686, 12151434, 22305372, 24164153, 24302868, 26328107, 48328306, 52656214, 72492459, 78984321, 96656612, 105312428, 135691013, 144984918, 157968642, 271382026, 289969836, 315937284, 407073039, 542764052, 814146078, 1628292156, 1763983169, 3527966338, 5291949507, 7055932676, 10583899014, 21167798028]

約数ペア:

[(1, 21167798028), (2, 10583899014), (3, 7055932676), (4, 5291949507), (6, 3527966338), (12, 1763983169), (13, 1628292156), (26, 814146078), (39, 542764052), (52, 407073039), (67, 315937284), (73, 289969836), (78, 271382026), (134, 157968642), (146, 144984918), (156, 135691013), (201, 105312428), (219, 96656612), (268, 78984321), (292, 72492459), (402, 52656214), (438, 48328306), (804, 26328107), (871, 24302868), (876, 24164153), (949, 22305372), (1742, 12151434), (1898, 11152686), (2613, 8100956), (2847, 7435124), (3484, 6075717), (3796, 5576343), (4891, 4327908), (5226, 4050478), (5694, 3717562), (9782, 2163954), (10452, 2025239), (11388, 1858781), (14673, 1442636), (19564, 1081977), (27743, 762996), (29346, 721318), (55486, 381498), (58692, 360659), (63583, 332916), (83229, 254332), (110972, 190749), (127166, 166458)]