21074904

素因数分解:

$2^3\times 3^5\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 60999120

約数和(自身を除く): 39924216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 243, 293, 296, 324, 333, 444, 486, 586, 648, 666, 879, 888, 972, 999, 1172, 1332, 1758, 1944, 1998, 2344, 2637, 2664, 2997, 3516, 3996, 5274, 5994, 7032, 7911, 7992, 8991, 10548, 10841, 11988, 15822, 17982, 21096, 21682, 23733, 23976, 31644, 32523, 35964, 43364, 47466, 63288, 65046, 71199, 71928, 86728, 94932, 97569, 130092, 142398, 189864, 195138, 260184, 284796, 292707, 390276, 569592, 585414, 780552, 878121, 1170828, 1756242, 2341656, 2634363, 3512484, 5268726, 7024968, 10537452, 21074904]

約数ペア:

[(1, 21074904), (2, 10537452), (3, 7024968), (4, 5268726), (6, 3512484), (8, 2634363), (9, 2341656), (12, 1756242), (18, 1170828), (24, 878121), (27, 780552), (36, 585414), (37, 569592), (54, 390276), (72, 292707), (74, 284796), (81, 260184), (108, 195138), (111, 189864), (148, 142398), (162, 130092), (216, 97569), (222, 94932), (243, 86728), (293, 71928), (296, 71199), (324, 65046), (333, 63288), (444, 47466), (486, 43364), (586, 35964), (648, 32523), (666, 31644), (879, 23976), (888, 23733), (972, 21682), (999, 21096), (1172, 17982), (1332, 15822), (1758, 11988), (1944, 10841), (1998, 10548), (2344, 8991), (2637, 7992), (2664, 7911), (2997, 7032), (3516, 5994), (3996, 5274)]