21502184

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 44967300

約数和(自身を除く): 23465116

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 121, 194, 229, 242, 388, 458, 484, 776, 916, 968, 1067, 1832, 2134, 2519, 4268, 5038, 8536, 10076, 11737, 20152, 22213, 23474, 27709, 44426, 46948, 55418, 88852, 93896, 110836, 177704, 221672, 244343, 488686, 977372, 1954744, 2687773, 5375546, 10751092, 21502184]

約数ペア:

[(1, 21502184), (2, 10751092), (4, 5375546), (8, 2687773), (11, 1954744), (22, 977372), (44, 488686), (88, 244343), (97, 221672), (121, 177704), (194, 110836), (229, 93896), (242, 88852), (388, 55418), (458, 46948), (484, 44426), (776, 27709), (916, 23474), (968, 22213), (1067, 20152), (1832, 11737), (2134, 10076), (2519, 8536), (4268, 5038)]