21097986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2273}}^1$

素因数の和:2315

約数の個数: 64

約数和(自身を含む): 55012608

約数和(自身を除く): 33914622

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2273, 3094, 4546, 4641, 6819, 9282, 13638, 15911, 29549, 31822, 38641, 47733, 59098, 77282, 88647, 95466, 115923, 177294, 206843, 231846, 270487, 413686, 502333, 540974, 620529, 811461, 1004666, 1241058, 1506999, 1622922, 3013998, 3516331, 7032662, 10548993, 21097986]

約数ペア:

[(1, 21097986), (2, 10548993), (3, 7032662), (6, 3516331), (7, 3013998), (13, 1622922), (14, 1506999), (17, 1241058), (21, 1004666), (26, 811461), (34, 620529), (39, 540974), (42, 502333), (51, 413686), (78, 270487), (91, 231846), (102, 206843), (119, 177294), (182, 115923), (221, 95466), (238, 88647), (273, 77282), (357, 59098), (442, 47733), (546, 38641), (663, 31822), (714, 29549), (1326, 15911), (1547, 13638), (2273, 9282), (3094, 6819), (4546, 4641)]