2021021523

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 3396556800

約数和(自身を除く): 1375535277

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 89, 153, 207, 239, 243, 267, 391, 459, 621, 717, 801, 1173, 1377, 1513, 1863, 2047, 2151, 2403, 3519, 4063, 4131, 4539, 5497, 5589, 6141, 6453, 7209, 10557, 12189, 13617, 16491, 18423, 19359, 21271, 21627, 31671, 34799, 36567, 40851, 49473, 55269, 58077, 63813, 93449, 95013, 104397, 109701, 122553, 148419, 165807, 191439, 280347, 313191, 329103, 361607, 367659, 445257, 489233, 497421, 574317, 841041, 939573, 987309, 1084821, 1335771, 1467699, 1722951, 2523123, 2818719, 3254463, 4403097, 5168853, 7569369, 8316961, 8456157, 9763389, 13209291, 22708107, 24950883, 29290167, 39627873, 74852649, 87870501, 118883619, 224557947, 673673841, 2021021523]

約数ペア:

[(1, 2021021523), (3, 673673841), (9, 224557947), (17, 118883619), (23, 87870501), (27, 74852649), (51, 39627873), (69, 29290167), (81, 24950883), (89, 22708107), (153, 13209291), (207, 9763389), (239, 8456157), (243, 8316961), (267, 7569369), (391, 5168853), (459, 4403097), (621, 3254463), (717, 2818719), (801, 2523123), (1173, 1722951), (1377, 1467699), (1513, 1335771), (1863, 1084821), (2047, 987309), (2151, 939573), (2403, 841041), (3519, 574317), (4063, 497421), (4131, 489233), (4539, 445257), (5497, 367659), (5589, 361607), (6141, 329103), (6453, 313191), (7209, 280347), (10557, 191439), (12189, 165807), (13617, 148419), (16491, 122553), (18423, 109701), (19359, 104397), (21271, 95013), (21627, 93449), (31671, 63813), (34799, 58077), (36567, 55269), (40851, 49473)]