21485604420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17052067}}^1$

素因数の和:17052089

約数の個数: 72

約数和(自身を含む): 74483433024

約数和(自身を除く): 52997828604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17052067, 34104134, 51156201, 68208268, 85260335, 102312402, 119364469, 153468603, 170520670, 204624804, 238728938, 255781005, 306937206, 341041340, 358093407, 477457876, 511562010, 596822345, 613874412, 716186814, 767343015, 1023124020, 1074280221, 1193644690, 1432373628, 1534686030, 1790467035, 2148560442, 2387289380, 3069372060, 3580934070, 4297120884, 5371401105, 7161868140, 10742802210, 21485604420]

約数ペア:

[(1, 21485604420), (2, 10742802210), (3, 7161868140), (4, 5371401105), (5, 4297120884), (6, 3580934070), (7, 3069372060), (9, 2387289380), (10, 2148560442), (12, 1790467035), (14, 1534686030), (15, 1432373628), (18, 1193644690), (20, 1074280221), (21, 1023124020), (28, 767343015), (30, 716186814), (35, 613874412), (36, 596822345), (42, 511562010), (45, 477457876), (60, 358093407), (63, 341041340), (70, 306937206), (84, 255781005), (90, 238728938), (105, 204624804), (126, 170520670), (140, 153468603), (180, 119364469), (210, 102312402), (252, 85260335), (315, 68208268), (420, 51156201), (630, 34104134), (1260, 17052067)]