21301176

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 58262400

約数和(自身を除く): 36961224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1019, 1608, 1742, 2038, 2613, 3057, 3484, 4076, 5226, 6114, 6968, 8152, 10452, 12228, 13247, 20904, 24456, 26494, 39741, 52988, 68273, 79482, 105976, 136546, 158964, 204819, 273092, 317928, 409638, 546184, 819276, 887549, 1638552, 1775098, 2662647, 3550196, 5325294, 7100392, 10650588, 21301176]

約数ペア:

[(1, 21301176), (2, 10650588), (3, 7100392), (4, 5325294), (6, 3550196), (8, 2662647), (12, 1775098), (13, 1638552), (24, 887549), (26, 819276), (39, 546184), (52, 409638), (67, 317928), (78, 273092), (104, 204819), (134, 158964), (156, 136546), (201, 105976), (268, 79482), (312, 68273), (402, 52988), (536, 39741), (804, 26494), (871, 24456), (1019, 20904), (1608, 13247), (1742, 12228), (2038, 10452), (2613, 8152), (3057, 6968), (3484, 6114), (4076, 5226)]