21230328

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2579}}^1$

素因数の和:2609

約数の個数: 64

約数和(自身を含む): 61920000

約数和(自身を除く): 40689672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2579, 2744, 4116, 5158, 7737, 8232, 10316, 15474, 18053, 20632, 30948, 36106, 54159, 61896, 72212, 108318, 126371, 144424, 216636, 252742, 379113, 433272, 505484, 758226, 884597, 1010968, 1516452, 1769194, 2653791, 3032904, 3538388, 5307582, 7076776, 10615164, 21230328]

約数ペア:

[(1, 21230328), (2, 10615164), (3, 7076776), (4, 5307582), (6, 3538388), (7, 3032904), (8, 2653791), (12, 1769194), (14, 1516452), (21, 1010968), (24, 884597), (28, 758226), (42, 505484), (49, 433272), (56, 379113), (84, 252742), (98, 216636), (147, 144424), (168, 126371), (196, 108318), (294, 72212), (343, 61896), (392, 54159), (588, 36106), (686, 30948), (1029, 20632), (1176, 18053), (1372, 15474), (2058, 10316), (2579, 8232), (2744, 7737), (4116, 5158)]