21308711470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{8629}}^1$

素因数の和:9013

約数の個数: 64

約数和(自身を含む): 41494420800

約数和(自身を除く): 20185709330

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 317, 410, 634, 779, 1558, 1585, 3170, 3895, 6023, 7790, 8629, 12046, 12997, 17258, 25994, 30115, 43145, 60230, 64985, 86290, 129970, 163951, 246943, 327902, 353789, 493886, 707578, 819755, 1234715, 1639510, 1768945, 2469430, 2735393, 3537890, 5470786, 6721991, 13443982, 13676965, 27353930, 33609955, 51972467, 67219910, 103944934, 112151113, 224302226, 259862335, 519724670, 560755565, 1121511130, 2130871147, 4261742294, 10654355735, 21308711470]

約数ペア:

[(1, 21308711470), (2, 10654355735), (5, 4261742294), (10, 2130871147), (19, 1121511130), (38, 560755565), (41, 519724670), (82, 259862335), (95, 224302226), (190, 112151113), (205, 103944934), (317, 67219910), (410, 51972467), (634, 33609955), (779, 27353930), (1558, 13676965), (1585, 13443982), (3170, 6721991), (3895, 5470786), (6023, 3537890), (7790, 2735393), (8629, 2469430), (12046, 1768945), (12997, 1639510), (17258, 1234715), (25994, 819755), (30115, 707578), (43145, 493886), (60230, 353789), (64985, 327902), (86290, 246943), (129970, 163951)]