21175500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 43820340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 125, 150, 190, 228, 250, 285, 300, 375, 380, 475, 500, 570, 743, 750, 950, 1140, 1425, 1486, 1500, 1900, 2229, 2375, 2850, 2972, 3715, 4458, 4750, 5700, 7125, 7430, 8916, 9500, 11145, 14117, 14250, 14860, 18575, 22290, 28234, 28500, 37150, 42351, 44580, 55725, 56468, 70585, 74300, 84702, 92875, 111450, 141170, 169404, 185750, 211755, 222900, 278625, 282340, 352925, 371500, 423510, 557250, 705850, 847020, 1058775, 1114500, 1411700, 1764625, 2117550, 3529250, 4235100, 5293875, 7058500, 10587750, 21175500]

約数ペア:

[(1, 21175500), (2, 10587750), (3, 7058500), (4, 5293875), (5, 4235100), (6, 3529250), (10, 2117550), (12, 1764625), (15, 1411700), (19, 1114500), (20, 1058775), (25, 847020), (30, 705850), (38, 557250), (50, 423510), (57, 371500), (60, 352925), (75, 282340), (76, 278625), (95, 222900), (100, 211755), (114, 185750), (125, 169404), (150, 141170), (190, 111450), (228, 92875), (250, 84702), (285, 74300), (300, 70585), (375, 56468), (380, 55725), (475, 44580), (500, 42351), (570, 37150), (743, 28500), (750, 28234), (950, 22290), (1140, 18575), (1425, 14860), (1486, 14250), (1500, 14117), (1900, 11145), (2229, 9500), (2375, 8916), (2850, 7430), (2972, 7125), (3715, 5700), (4458, 4750)]