21849228

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 35664228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 113, 123, 131, 164, 226, 246, 262, 339, 369, 393, 452, 492, 524, 678, 738, 786, 1017, 1179, 1356, 1476, 1572, 2034, 2358, 4068, 4633, 4716, 5371, 9266, 10742, 13899, 14803, 16113, 18532, 21484, 27798, 29606, 32226, 41697, 44409, 48339, 55596, 59212, 64452, 83394, 88818, 96678, 133227, 166788, 177636, 193356, 266454, 532908, 606923, 1213846, 1820769, 2427692, 3641538, 5462307, 7283076, 10924614, 21849228]

約数ペア:

[(1, 21849228), (2, 10924614), (3, 7283076), (4, 5462307), (6, 3641538), (9, 2427692), (12, 1820769), (18, 1213846), (36, 606923), (41, 532908), (82, 266454), (113, 193356), (123, 177636), (131, 166788), (164, 133227), (226, 96678), (246, 88818), (262, 83394), (339, 64452), (369, 59212), (393, 55596), (452, 48339), (492, 44409), (524, 41697), (678, 32226), (738, 29606), (786, 27798), (1017, 21484), (1179, 18532), (1356, 16113), (1476, 14803), (1572, 13899), (2034, 10742), (2358, 9266), (4068, 5371), (4633, 4716)]