21661503700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{17431}}^1$

素因数の和:17522

約数の個数: 108

約数和(自身を含む): 51097305952

約数和(自身を除く): 29435802252

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 170, 172, 215, 289, 340, 425, 430, 578, 731, 850, 860, 1075, 1156, 1445, 1462, 1700, 2150, 2890, 2924, 3655, 4300, 5780, 7225, 7310, 12427, 14450, 14620, 17431, 18275, 24854, 28900, 34862, 36550, 49708, 62135, 69724, 73100, 87155, 124270, 174310, 248540, 296327, 310675, 348620, 435775, 592654, 621350, 749533, 871550, 1185308, 1242700, 1481635, 1499066, 1743100, 2963270, 2998132, 3747665, 5037559, 5926540, 7408175, 7495330, 10075118, 12742061, 14816350, 14990660, 18738325, 20150236, 25187795, 25484122, 29632700, 37476650, 50375590, 50968244, 63710305, 74953300, 100751180, 125938975, 127420610, 216615037, 251877950, 254841220, 318551525, 433230074, 503755900, 637103050, 866460148, 1083075185, 1274206100, 2166150370, 4332300740, 5415375925, 10830751850, 21661503700]

約数ペア:

[(1, 21661503700), (2, 10830751850), (4, 5415375925), (5, 4332300740), (10, 2166150370), (17, 1274206100), (20, 1083075185), (25, 866460148), (34, 637103050), (43, 503755900), (50, 433230074), (68, 318551525), (85, 254841220), (86, 251877950), (100, 216615037), (170, 127420610), (172, 125938975), (215, 100751180), (289, 74953300), (340, 63710305), (425, 50968244), (430, 50375590), (578, 37476650), (731, 29632700), (850, 25484122), (860, 25187795), (1075, 20150236), (1156, 18738325), (1445, 14990660), (1462, 14816350), (1700, 12742061), (2150, 10075118), (2890, 7495330), (2924, 7408175), (3655, 5926540), (4300, 5037559), (5780, 3747665), (7225, 2998132), (7310, 2963270), (12427, 1743100), (14450, 1499066), (14620, 1481635), (17431, 1242700), (18275, 1185308), (24854, 871550), (28900, 749533), (34862, 621350), (36550, 592654), (49708, 435775), (62135, 348620), (69724, 310675), (73100, 296327), (87155, 248540), (124270, 174310)]