21178350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2514

約数の個数: 72

約数和(自身を含む): 59918040

約数和(自身を除く): 38739690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2477, 2850, 4275, 4954, 7431, 8550, 12385, 14862, 22293, 24770, 37155, 44586, 47063, 61925, 74310, 94126, 111465, 123850, 141189, 185775, 222930, 235315, 282378, 371550, 423567, 470630, 557325, 705945, 847134, 1114650, 1176575, 1411890, 2117835, 2353150, 3529725, 4235670, 7059450, 10589175, 21178350]

約数ペア:

[(1, 21178350), (2, 10589175), (3, 7059450), (5, 4235670), (6, 3529725), (9, 2353150), (10, 2117835), (15, 1411890), (18, 1176575), (19, 1114650), (25, 847134), (30, 705945), (38, 557325), (45, 470630), (50, 423567), (57, 371550), (75, 282378), (90, 235315), (95, 222930), (114, 185775), (150, 141189), (171, 123850), (190, 111465), (225, 94126), (285, 74310), (342, 61925), (450, 47063), (475, 44586), (570, 37155), (855, 24770), (950, 22293), (1425, 14862), (1710, 12385), (2477, 8550), (2850, 7431), (4275, 4954)]