21226752

素因数分解:

$2^8\times 3^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 65244480

約数和(自身を除く): 44017728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 83, 96, 108, 111, 128, 144, 148, 166, 192, 216, 222, 249, 256, 288, 296, 332, 333, 384, 432, 444, 498, 576, 592, 664, 666, 747, 768, 864, 888, 996, 999, 1152, 1184, 1328, 1332, 1494, 1728, 1776, 1992, 1998, 2241, 2304, 2368, 2656, 2664, 2988, 3071, 3456, 3552, 3984, 3996, 4482, 4736, 5312, 5328, 5976, 6142, 6912, 7104, 7968, 7992, 8964, 9213, 9472, 10624, 10656, 11952, 12284, 14208, 15936, 15984, 17928, 18426, 21248, 21312, 23904, 24568, 27639, 28416, 31872, 31968, 35856, 36852, 42624, 47808, 49136, 55278, 63744, 63936, 71712, 73704, 82917, 85248, 95616, 98272, 110556, 127872, 143424, 147408, 165834, 191232, 196544, 221112, 255744, 286848, 294816, 331668, 393088, 442224, 573696, 589632, 663336, 786176, 884448, 1179264, 1326672, 1768896, 2358528, 2653344, 3537792, 5306688, 7075584, 10613376, 21226752]

約数ペア:

[(1, 21226752), (2, 10613376), (3, 7075584), (4, 5306688), (6, 3537792), (8, 2653344), (9, 2358528), (12, 1768896), (16, 1326672), (18, 1179264), (24, 884448), (27, 786176), (32, 663336), (36, 589632), (37, 573696), (48, 442224), (54, 393088), (64, 331668), (72, 294816), (74, 286848), (83, 255744), (96, 221112), (108, 196544), (111, 191232), (128, 165834), (144, 147408), (148, 143424), (166, 127872), (192, 110556), (216, 98272), (222, 95616), (249, 85248), (256, 82917), (288, 73704), (296, 71712), (332, 63936), (333, 63744), (384, 55278), (432, 49136), (444, 47808), (498, 42624), (576, 36852), (592, 35856), (664, 31968), (666, 31872), (747, 28416), (768, 27639), (864, 24568), (888, 23904), (996, 21312), (999, 21248), (1152, 18426), (1184, 17928), (1328, 15984), (1332, 15936), (1494, 14208), (1728, 12284), (1776, 11952), (1992, 10656), (1998, 10624), (2241, 9472), (2304, 9213), (2368, 8964), (2656, 7992), (2664, 7968), (2988, 7104), (3071, 6912), (3456, 6142), (3552, 5976), (3984, 5328), (3996, 5312), (4482, 4736)]