21550871475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{74771}}^1$

素因数の和:74858

約数の個数: 96

約数和(自身を含む): 45987770880

約数和(自身を除く): 24436899405

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 61, 63, 75, 105, 135, 175, 183, 189, 225, 305, 315, 427, 525, 549, 675, 915, 945, 1281, 1525, 1575, 1647, 2135, 2745, 3843, 4575, 4725, 6405, 8235, 10675, 11529, 13725, 19215, 32025, 41175, 57645, 74771, 96075, 224313, 288225, 373855, 523397, 672939, 1121565, 1570191, 1869275, 2018817, 2616985, 3364695, 4561031, 4710573, 5607825, 7850955, 10094085, 13084925, 13683093, 14131719, 16823475, 22805155, 23552865, 31927217, 39254775, 41049279, 50470425, 68415465, 70658595, 95781651, 114025775, 117764325, 123147837, 159636085, 205246395, 287344953, 342077325, 353292975, 478908255, 615739185, 798180425, 862034859, 1026231975, 1436724765, 2394541275, 3078695925, 4310174295, 7183623825, 21550871475]

約数ペア:

[(1, 21550871475), (3, 7183623825), (5, 4310174295), (7, 3078695925), (9, 2394541275), (15, 1436724765), (21, 1026231975), (25, 862034859), (27, 798180425), (35, 615739185), (45, 478908255), (61, 353292975), (63, 342077325), (75, 287344953), (105, 205246395), (135, 159636085), (175, 123147837), (183, 117764325), (189, 114025775), (225, 95781651), (305, 70658595), (315, 68415465), (427, 50470425), (525, 41049279), (549, 39254775), (675, 31927217), (915, 23552865), (945, 22805155), (1281, 16823475), (1525, 14131719), (1575, 13683093), (1647, 13084925), (2135, 10094085), (2745, 7850955), (3843, 5607825), (4575, 4710573), (4725, 4561031), (6405, 3364695), (8235, 2616985), (10675, 2018817), (11529, 1869275), (13725, 1570191), (19215, 1121565), (32025, 672939), (41175, 523397), (57645, 373855), (74771, 288225), (96075, 224313)]