21388891998

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{74623}}^1$

素因数の和:74749

約数の個数: 64

約数和(自身を含む): 46765965312

約数和(自身を除く): 25377073314

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 67, 69, 93, 134, 138, 186, 201, 402, 713, 1426, 1541, 2077, 2139, 3082, 4154, 4278, 4623, 6231, 9246, 12462, 47771, 74623, 95542, 143313, 149246, 223869, 286626, 447738, 1716329, 2313313, 3432658, 4626626, 4999741, 5148987, 6939939, 9999482, 10297974, 13879878, 14999223, 29998446, 53206199, 106412398, 114994043, 154991971, 159618597, 229988086, 309983942, 319237194, 344982129, 464975913, 689964258, 929951826, 3564815333, 7129630666, 10694445999, 21388891998]

約数ペア:

[(1, 21388891998), (2, 10694445999), (3, 7129630666), (6, 3564815333), (23, 929951826), (31, 689964258), (46, 464975913), (62, 344982129), (67, 319237194), (69, 309983942), (93, 229988086), (134, 159618597), (138, 154991971), (186, 114994043), (201, 106412398), (402, 53206199), (713, 29998446), (1426, 14999223), (1541, 13879878), (2077, 10297974), (2139, 9999482), (3082, 6939939), (4154, 5148987), (4278, 4999741), (4623, 4626626), (6231, 3432658), (9246, 2313313), (12462, 1716329), (47771, 447738), (74623, 286626), (95542, 223869), (143313, 149246)]