21215400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1899

約数の個数: 96

約数和(自身を含む): 69266400

約数和(自身を除く): 48051000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 285, 300, 380, 456, 475, 570, 600, 760, 950, 1140, 1425, 1861, 1900, 2280, 2850, 3722, 3800, 5583, 5700, 7444, 9305, 11166, 11400, 14888, 18610, 22332, 27915, 35359, 37220, 44664, 46525, 55830, 70718, 74440, 93050, 106077, 111660, 139575, 141436, 176795, 186100, 212154, 223320, 279150, 282872, 353590, 372200, 424308, 530385, 558300, 707180, 848616, 883975, 1060770, 1116600, 1414360, 1767950, 2121540, 2651925, 3535900, 4243080, 5303850, 7071800, 10607700, 21215400]

約数ペア:

[(1, 21215400), (2, 10607700), (3, 7071800), (4, 5303850), (5, 4243080), (6, 3535900), (8, 2651925), (10, 2121540), (12, 1767950), (15, 1414360), (19, 1116600), (20, 1060770), (24, 883975), (25, 848616), (30, 707180), (38, 558300), (40, 530385), (50, 424308), (57, 372200), (60, 353590), (75, 282872), (76, 279150), (95, 223320), (100, 212154), (114, 186100), (120, 176795), (150, 141436), (152, 139575), (190, 111660), (200, 106077), (228, 93050), (285, 74440), (300, 70718), (380, 55830), (456, 46525), (475, 44664), (570, 37220), (600, 35359), (760, 27915), (950, 22332), (1140, 18610), (1425, 14888), (1861, 11400), (1900, 11166), (2280, 9305), (2850, 7444), (3722, 5700), (3800, 5583)]