21376110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 59139072

約数和(自身を除く): 37762962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 685, 743, 822, 959, 1370, 1486, 1918, 2055, 2229, 2877, 3715, 4110, 4458, 4795, 5201, 5754, 7430, 9590, 10402, 11145, 14385, 15603, 22290, 26005, 28770, 31206, 52010, 78015, 101791, 156030, 203582, 305373, 508955, 610746, 712537, 1017910, 1425074, 1526865, 2137611, 3053730, 3562685, 4275222, 7125370, 10688055, 21376110]

約数ペア:

[(1, 21376110), (2, 10688055), (3, 7125370), (5, 4275222), (6, 3562685), (7, 3053730), (10, 2137611), (14, 1526865), (15, 1425074), (21, 1017910), (30, 712537), (35, 610746), (42, 508955), (70, 305373), (105, 203582), (137, 156030), (210, 101791), (274, 78015), (411, 52010), (685, 31206), (743, 28770), (822, 26005), (959, 22290), (1370, 15603), (1486, 14385), (1918, 11145), (2055, 10402), (2229, 9590), (2877, 7430), (3715, 5754), (4110, 5201), (4458, 4795)]