21102588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 58389968

約数和(自身を除く): 37287380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 673, 804, 871, 1206, 1346, 1742, 2019, 2412, 2613, 2692, 3484, 4038, 5226, 6057, 7839, 8076, 8749, 10452, 12114, 15678, 17498, 24228, 26247, 31356, 34996, 45091, 52494, 78741, 90182, 104988, 135273, 157482, 180364, 270546, 314964, 405819, 541092, 586183, 811638, 1172366, 1623276, 1758549, 2344732, 3517098, 5275647, 7034196, 10551294, 21102588]

約数ペア:

[(1, 21102588), (2, 10551294), (3, 7034196), (4, 5275647), (6, 3517098), (9, 2344732), (12, 1758549), (13, 1623276), (18, 1172366), (26, 811638), (36, 586183), (39, 541092), (52, 405819), (67, 314964), (78, 270546), (117, 180364), (134, 157482), (156, 135273), (201, 104988), (234, 90182), (268, 78741), (402, 52494), (468, 45091), (603, 34996), (673, 31356), (804, 26247), (871, 24228), (1206, 17498), (1346, 15678), (1742, 12114), (2019, 10452), (2412, 8749), (2613, 8076), (2692, 7839), (3484, 6057), (4038, 5226)]