21901698

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4488

約数の個数: 64

約数和(自身を含む): 59915520

約数和(自身を除く): 38013822

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4457, 4914, 8914, 13371, 26742, 31199, 40113, 57941, 62398, 80226, 93597, 115882, 120339, 173823, 187194, 240678, 280791, 347646, 405587, 521469, 561582, 811174, 842373, 1042938, 1216761, 1564407, 1684746, 2433522, 3128814, 3650283, 7300566, 10950849, 21901698]

約数ペア:

[(1, 21901698), (2, 10950849), (3, 7300566), (6, 3650283), (7, 3128814), (9, 2433522), (13, 1684746), (14, 1564407), (18, 1216761), (21, 1042938), (26, 842373), (27, 811174), (39, 561582), (42, 521469), (54, 405587), (63, 347646), (78, 280791), (91, 240678), (117, 187194), (126, 173823), (182, 120339), (189, 115882), (234, 93597), (273, 80226), (351, 62398), (378, 57941), (546, 40113), (702, 31199), (819, 26742), (1638, 13371), (2457, 8914), (4457, 4914)]