21302370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38137374

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 41, 45, 46, 69, 82, 90, 115, 123, 138, 205, 207, 230, 246, 251, 345, 369, 410, 414, 502, 615, 690, 738, 753, 943, 1035, 1230, 1255, 1506, 1845, 1886, 2070, 2259, 2510, 2829, 3690, 3765, 4518, 4715, 5658, 5773, 7530, 8487, 9430, 10291, 11295, 11546, 14145, 16974, 17319, 20582, 22590, 28290, 28865, 30873, 34638, 42435, 51455, 51957, 57730, 61746, 84870, 86595, 92619, 102910, 103914, 154365, 173190, 185238, 236693, 259785, 308730, 463095, 473386, 519570, 710079, 926190, 1183465, 1420158, 2130237, 2366930, 3550395, 4260474, 7100790, 10651185, 21302370]

約数ペア:

[(1, 21302370), (2, 10651185), (3, 7100790), (5, 4260474), (6, 3550395), (9, 2366930), (10, 2130237), (15, 1420158), (18, 1183465), (23, 926190), (30, 710079), (41, 519570), (45, 473386), (46, 463095), (69, 308730), (82, 259785), (90, 236693), (115, 185238), (123, 173190), (138, 154365), (205, 103914), (207, 102910), (230, 92619), (246, 86595), (251, 84870), (345, 61746), (369, 57730), (410, 51957), (414, 51455), (502, 42435), (615, 34638), (690, 30873), (738, 28865), (753, 28290), (943, 22590), (1035, 20582), (1230, 17319), (1255, 16974), (1506, 14145), (1845, 11546), (1886, 11295), (2070, 10291), (2259, 9430), (2510, 8487), (2829, 7530), (3690, 5773), (3765, 5658), (4518, 4715)]