21002562

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 56709120

約数和(自身を除く): 35706558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 42, 57, 62, 63, 93, 114, 126, 133, 171, 186, 217, 266, 279, 283, 342, 399, 434, 558, 566, 589, 651, 798, 849, 1178, 1197, 1302, 1698, 1767, 1953, 1981, 2394, 2547, 3534, 3906, 3962, 4123, 5094, 5301, 5377, 5943, 8246, 8773, 10602, 10754, 11886, 12369, 16131, 17546, 17829, 24738, 26319, 32262, 35658, 37107, 37639, 48393, 52638, 61411, 74214, 75278, 78957, 96786, 112917, 122822, 157914, 166687, 184233, 225834, 333374, 338751, 368466, 500061, 552699, 677502, 1000122, 1105398, 1166809, 1500183, 2333618, 3000366, 3500427, 7000854, 10501281, 21002562]

約数ペア:

[(1, 21002562), (2, 10501281), (3, 7000854), (6, 3500427), (7, 3000366), (9, 2333618), (14, 1500183), (18, 1166809), (19, 1105398), (21, 1000122), (31, 677502), (38, 552699), (42, 500061), (57, 368466), (62, 338751), (63, 333374), (93, 225834), (114, 184233), (126, 166687), (133, 157914), (171, 122822), (186, 112917), (217, 96786), (266, 78957), (279, 75278), (283, 74214), (342, 61411), (399, 52638), (434, 48393), (558, 37639), (566, 37107), (589, 35658), (651, 32262), (798, 26319), (849, 24738), (1178, 17829), (1197, 17546), (1302, 16131), (1698, 12369), (1767, 11886), (1953, 10754), (1981, 10602), (2394, 8773), (2547, 8246), (3534, 5943), (3906, 5377), (3962, 5301), (4123, 5094)]