21752248

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 50189760

約数和(自身を除く): 28437512

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 73, 119, 136, 146, 238, 292, 313, 476, 511, 584, 626, 952, 1022, 1241, 1252, 2044, 2191, 2482, 2504, 4088, 4382, 4964, 5321, 8687, 8764, 9928, 10642, 17374, 17528, 21284, 22849, 34748, 37247, 42568, 45698, 69496, 74494, 91396, 148988, 159943, 182792, 297976, 319886, 388433, 639772, 776866, 1279544, 1553732, 2719031, 3107464, 5438062, 10876124, 21752248]

約数ペア:

[(1, 21752248), (2, 10876124), (4, 5438062), (7, 3107464), (8, 2719031), (14, 1553732), (17, 1279544), (28, 776866), (34, 639772), (56, 388433), (68, 319886), (73, 297976), (119, 182792), (136, 159943), (146, 148988), (238, 91396), (292, 74494), (313, 69496), (476, 45698), (511, 42568), (584, 37247), (626, 34748), (952, 22849), (1022, 21284), (1241, 17528), (1252, 17374), (2044, 10642), (2191, 9928), (2482, 8764), (2504, 8687), (4088, 5321), (4382, 4964)]