21309450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7477}}^1$

素因数の和:7511

約数の個数: 48

約数和(自身を含む): 55636320

約数和(自身を除く): 34326870

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7477, 14954, 22431, 37385, 44862, 74770, 112155, 142063, 186925, 224310, 284126, 373850, 426189, 560775, 710315, 852378, 1121550, 1420630, 2130945, 3551575, 4261890, 7103150, 10654725, 21309450]

約数ペア:

[(1, 21309450), (2, 10654725), (3, 7103150), (5, 4261890), (6, 3551575), (10, 2130945), (15, 1420630), (19, 1121550), (25, 852378), (30, 710315), (38, 560775), (50, 426189), (57, 373850), (75, 284126), (95, 224310), (114, 186925), (150, 142063), (190, 112155), (285, 74770), (475, 44862), (570, 37385), (950, 22431), (1425, 14954), (2850, 7477)]