21485694

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 26495106

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 67, 87, 97, 114, 134, 174, 194, 201, 291, 402, 551, 582, 1102, 1273, 1653, 1843, 1943, 2546, 2813, 3306, 3686, 3819, 3886, 5529, 5626, 5829, 6499, 7638, 8439, 11058, 11658, 12998, 16878, 19497, 36917, 38994, 53447, 73834, 106894, 110751, 123481, 160341, 188471, 221502, 246962, 320682, 370443, 376942, 565413, 740886, 1130826, 3580949, 7161898, 10742847, 21485694]

約数ペア:

[(1, 21485694), (2, 10742847), (3, 7161898), (6, 3580949), (19, 1130826), (29, 740886), (38, 565413), (57, 376942), (58, 370443), (67, 320682), (87, 246962), (97, 221502), (114, 188471), (134, 160341), (174, 123481), (194, 110751), (201, 106894), (291, 73834), (402, 53447), (551, 38994), (582, 36917), (1102, 19497), (1273, 16878), (1653, 12998), (1843, 11658), (1943, 11058), (2546, 8439), (2813, 7638), (3306, 6499), (3686, 5829), (3819, 5626), (3886, 5529)]