21167671592025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{9606713}}^1$

素因数の和:9608135

約数の個数: 72

約数和(自身を含む): 43360864310400

約数和(自身を除く): 22193192718375

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1399, 1575, 4197, 6995, 9793, 12591, 20985, 29379, 34975, 48965, 62955, 88137, 104925, 146895, 244825, 314775, 440685, 734475, 2203425, 9606713, 28820139, 48033565, 67246991, 86460417, 144100695, 201740973, 240167825, 336234955, 432302085, 605222919, 720503475, 1008704865, 1681174775, 2161510425, 3026114595, 5043524325, 13439791487, 15130572975, 40319374461, 67198957435, 94078540409, 120958123383, 201596872305, 282235621227, 335994787175, 470392702045, 604790616915, 846706863681, 1007984361525, 1411178106135, 2351963510225, 3023953084575, 4233534318405, 7055890530675, 21167671592025]

約数ペア:

[(1, 21167671592025), (3, 7055890530675), (5, 4233534318405), (7, 3023953084575), (9, 2351963510225), (15, 1411178106135), (21, 1007984361525), (25, 846706863681), (35, 604790616915), (45, 470392702045), (63, 335994787175), (75, 282235621227), (105, 201596872305), (175, 120958123383), (225, 94078540409), (315, 67198957435), (525, 40319374461), (1399, 15130572975), (1575, 13439791487), (4197, 5043524325), (6995, 3026114595), (9793, 2161510425), (12591, 1681174775), (20985, 1008704865), (29379, 720503475), (34975, 605222919), (48965, 432302085), (62955, 336234955), (88137, 240167825), (104925, 201740973), (146895, 144100695), (244825, 86460417), (314775, 67246991), (440685, 48033565), (734475, 28820139), (2203425, 9606713)]