21999461260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1\times {\mathrm{2731}}^1$

素因数の和:3263

約数の個数: 96

約数和(自身を含む): 53292621312

約数和(自身を除く): 31293160052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 353, 652, 706, 815, 1141, 1412, 1630, 1765, 2282, 2471, 2731, 3260, 3530, 4564, 4942, 5462, 5705, 7060, 9884, 10924, 11410, 12355, 13655, 19117, 22820, 24710, 27310, 38234, 49420, 54620, 57539, 76468, 95585, 115078, 191170, 230156, 287695, 382340, 402773, 445153, 575390, 805546, 890306, 964043, 1150780, 1611092, 1780612, 1928086, 2013865, 2225765, 3116071, 3856172, 4027730, 4451530, 4820215, 6232142, 6748301, 8055460, 8903060, 9640430, 12464284, 13496602, 15580355, 19280860, 26993204, 31160710, 33741505, 62321420, 67483010, 134966020, 157139009, 314278018, 628556036, 785695045, 1099973063, 1571390090, 2199946126, 3142780180, 4399892252, 5499865315, 10999730630, 21999461260]

約数ペア:

[(1, 21999461260), (2, 10999730630), (4, 5499865315), (5, 4399892252), (7, 3142780180), (10, 2199946126), (14, 1571390090), (20, 1099973063), (28, 785695045), (35, 628556036), (70, 314278018), (140, 157139009), (163, 134966020), (326, 67483010), (353, 62321420), (652, 33741505), (706, 31160710), (815, 26993204), (1141, 19280860), (1412, 15580355), (1630, 13496602), (1765, 12464284), (2282, 9640430), (2471, 8903060), (2731, 8055460), (3260, 6748301), (3530, 6232142), (4564, 4820215), (4942, 4451530), (5462, 4027730), (5705, 3856172), (7060, 3116071), (9884, 2225765), (10924, 2013865), (11410, 1928086), (12355, 1780612), (13655, 1611092), (19117, 1150780), (22820, 964043), (24710, 890306), (27310, 805546), (38234, 575390), (49420, 445153), (54620, 402773), (57539, 382340), (76468, 287695), (95585, 230156), (115078, 191170)]