21000298500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{197}}^1\times {\mathrm{23689}}^1$

素因数の和:23911

約数の個数: 144

約数和(自身を含む): 66588041520

約数和(自身を除く): 45587743020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 197, 225, 250, 300, 375, 394, 450, 500, 591, 750, 788, 900, 985, 1125, 1182, 1500, 1773, 1970, 2250, 2364, 2955, 3546, 3940, 4500, 4925, 5910, 7092, 8865, 9850, 11820, 14775, 17730, 19700, 23689, 24625, 29550, 35460, 44325, 47378, 49250, 59100, 71067, 73875, 88650, 94756, 98500, 118445, 142134, 147750, 177300, 213201, 221625, 236890, 284268, 295500, 355335, 426402, 443250, 473780, 592225, 710670, 852804, 886500, 1066005, 1184450, 1421340, 1776675, 2132010, 2368900, 2961125, 3553350, 4264020, 4666733, 5330025, 5922250, 7106700, 8883375, 9333466, 10660050, 11844500, 14000199, 17766750, 18666932, 21320100, 23333665, 26650125, 28000398, 35533500, 42000597, 46667330, 53300250, 56000796, 70000995, 84001194, 93334660, 106600500, 116668325, 140001990, 168002388, 210002985, 233336650, 280003980, 350004975, 420005970, 466673300, 583341625, 700009950, 840011940, 1050014925, 1166683250, 1400019900, 1750024875, 2100029850, 2333366500, 3500049750, 4200059700, 5250074625, 7000099500, 10500149250, 21000298500]

約数ペア:

[(1, 21000298500), (2, 10500149250), (3, 7000099500), (4, 5250074625), (5, 4200059700), (6, 3500049750), (9, 2333366500), (10, 2100029850), (12, 1750024875), (15, 1400019900), (18, 1166683250), (20, 1050014925), (25, 840011940), (30, 700009950), (36, 583341625), (45, 466673300), (50, 420005970), (60, 350004975), (75, 280003980), (90, 233336650), (100, 210002985), (125, 168002388), (150, 140001990), (180, 116668325), (197, 106600500), (225, 93334660), (250, 84001194), (300, 70000995), (375, 56000796), (394, 53300250), (450, 46667330), (500, 42000597), (591, 35533500), (750, 28000398), (788, 26650125), (900, 23333665), (985, 21320100), (1125, 18666932), (1182, 17766750), (1500, 14000199), (1773, 11844500), (1970, 10660050), (2250, 9333466), (2364, 8883375), (2955, 7106700), (3546, 5922250), (3940, 5330025), (4500, 4666733), (4925, 4264020), (5910, 3553350), (7092, 2961125), (8865, 2368900), (9850, 2132010), (11820, 1776675), (14775, 1421340), (17730, 1184450), (19700, 1066005), (23689, 886500), (24625, 852804), (29550, 710670), (35460, 592225), (44325, 473780), (47378, 443250), (49250, 426402), (59100, 355335), (71067, 295500), (73875, 284268), (88650, 236890), (94756, 221625), (98500, 213201), (118445, 177300), (142134, 147750)]